Professor David Dunbar

Personal Professor

Physics

+44 (0) 1792 295014

d.c.dunbar@swansea.ac.uk

Office - 501
Fifth Floor
Vivian Building
Singleton Campus

Available For Postgraduate Supervision

Research Links

https://orcid.org/0000-0003-2433-1675

About

I use the methedology of perturbative quantum field theory to investigate a variety of problems including the understanding of the interactions in Gauge Theories and in examining the perturbative consistency of possible theories of Quantum Gravity.

Publications

Research Highlights

Dunbar, D., Perkins, W., Dalgleish, A., & STRONG, J. (n.d.) The Seven-Point Two-Loop Full-Color All-Plus Helicity Yang-Mills Amplitude. arXiv
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa67779
Dunbar, D. (2023). Identities amongst the two loop partial amplitudes of Yang-Mills theory. Journal of High Energy Physics, 2023(10)
https://doi.org/10.1007/jhep10(2023)058, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa64607
http://dx.doi.org/10.1007/jhep10(2023)058
Dunbar, D., Godwin, J., Jehu, G., & Perkins, W. (2017). Diagrammar in an extended theory of gravity. Physics Letters B, 771, 230-234.
https://doi.org/10.1016/j.physletb.2017.05.052, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa32149
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1994). One-loop n-point gauge theory amplitudes, unitarity and collinear limits. Nuclear Physics B, 425(1-2), 217-260.
https://doi.org/10.1016/0550-3213(94)90179-1, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27377
http://www.scopus.com/inward/record.url?eid=2-s2.0-0000632007&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Perelstein, M., Rozowsky, J., & Dunbar, D. (1998). On the relationship between Yang-Mills theory and gravity and its implication for ultraviolet divergences. , 530
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27371
http://www.scopus.com/inward/record.url?eid=2-s2.0-0032511717&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1995). Fusing gauge theory tree amplitudes into loop amplitudes. Nuclear Physics B, 435(1-2), 59-101.
https://doi.org/10.1016/0550-3213(94)00488-Z, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27375
http://www.scopus.com/inward/record.url?eid=2-s2.0-0003149712&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1997). One-loop self-dual and N = 4 super Yang-Mills. , 394
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27372
http://www.scopus.com/inward/record.url?eid=2-s2.0-0039498782&partnerID=MN8TOARS
Dunbar, D., Godwin, J., Perkins, W., & Strong, J. (2020). Color dressed unitarity and recursion for Yang-Mills two-loop all-plus amplitudes. Physical Review D, 101(1)
https://doi.org/10.1103/physrevd.101.016009, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53063
Dunbar, D., Perkins, W., & Strong, J. (2020). n -point QCD two-loop amplitude. Physical Review D, 101(7), 076001-1-076001-10.
https://doi.org/10.1103/physrevd.101.076001, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53395
Dalgleish, A., Dunbar, D., Perkins, W., & Strong, J. (2020). Full color two-loop six-gluon all-plus helicity amplitude. Physical Review D, 101(7)
https://doi.org/10.1103/physrevd.101.076024, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53935

All Research

Journal Articles

Dunbar, D. (2023). Identities amongst the two loop partial amplitudes of Yang-Mills theory. Journal of High Energy Physics, 2023(10)
https://doi.org/10.1007/jhep10(2023)058, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa64607
http://dx.doi.org/10.1007/jhep10(2023)058
Dalgleish, A., Dunbar, D., Perkins, W., & Strong, J. (2020). Full color two-loop six-gluon all-plus helicity amplitude. Physical Review D, 101(7)
https://doi.org/10.1103/physrevd.101.076024, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53935
Dunbar, D., Perkins, W., & Strong, J. (2020). n -point QCD two-loop amplitude. Physical Review D, 101(7), 076001-1-076001-10.
https://doi.org/10.1103/physrevd.101.076001, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53395
Dunbar, D., Godwin, J., Perkins, W., & Strong, J. (2020). Color dressed unitarity and recursion for Yang-Mills two-loop all-plus amplitudes. Physical Review D, 101(1)
https://doi.org/10.1103/physrevd.101.016009, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa53063
Dunbar, D., Godwin, J., Jehu, G., & Perkins, W. (2018). Loop amplitudes in an extended gravity theory. Physics Letters B, 780, 41-47.
https://doi.org/10.1016/j.physletb.2018.02.046, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa36776
Dunbar, D., Godwin, J., Jehu, G., & Perkins, W. (2017). Diagrammar in an extended theory of gravity. Physics Letters B, 771, 230-234.
https://doi.org/10.1016/j.physletb.2017.05.052, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa32149
Dunbar, D., Godwin, J., Jehu, G., & Perkins, W. (2017). Analytic all-plus-helicity gluon amplitudes in QCD. Physical Review D, 96(11)
https://doi.org/10.1103/PhysRevD.96.116013, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa36320
Dunbar, D., Jehu, G., & Perkins, W. (2017). Two-loop gravity amplitudes from four dimensional unitarity. Physical Review D, 95(4)
https://doi.org/10.1103/PhysRevD.95.046012, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa31619
Dunbar, D. & Perkins, W. (2016). N=4 supergravity next-to-maximally-helicity-violating six-point one-loop amplitude. Physical Review D, 94(12)
https://doi.org/10.1103/PhysRevD.94.125027, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa25889
Dunbar, D. & Perkins, W. (2016). Two-Loop Six Gluon All-Plus Helicity Amplitude. Physical Review Letters, 117(6)
https://doi.org/10.1103/physrevlett.117.061602, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa28112
Dunbar, D., Jehu, G., & Perkins, W. (2016). Two-loop n-point all-plus helicity amplitude. Physical Review D, 93(12)
https://doi.org/10.1103/PhysRevD.93.125006, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27356
Dunbar, D. & Perkins, W. (2016). Two-loop five-point all-plus helicity Yang-Mills amplitude. Physical Review D, 93(8)
https://doi.org/10.1103/physrevd.93.085029, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27047
Alston, S., Dunbar, D., & Perkins, W. (2015). n-point amplitudes with a single negative-helicity graviton. Physical Review D, 92(6)
https://doi.org/10.1103/PhysRevD.92.065024, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa22986
Dunbar, D., Ettle, J., & Perkins, W. (2012). Constructing gravity amplitudes from real soft and collinear factorization. Physical Review D, 86(2), 026009
https://doi.org/10.1103/PhysRevD.86.026009, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa8451
Dunbar, D., Ettle, J., & Perkins, W. (2012). Maximal-Helicity-Violating n-Point One-Loop Amplitude in N=4 Supergravity. Physical Review Letters, 108(6), 061603
https://doi.org/10.1103/PhysRevLett.108.061603, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa7257
Alston, S., Dunbar, D., & Perkins, W. (2012). Complex factorization and recursion for one-loop amplitudes. Physical Review D, 86(8), 085022
https://doi.org/10.1103/PhysRevD.86.085022, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa13423
Dunbar, D., Ettle, J., & Perkins, W. (2011). Perturbative expansion of N<8 Supergravity. Physical Review D, 83(6)
https://doi.org/10.1103/PhysRevD.83.065015, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa7264
Dunbar, D., Ettle, J., & Perkins, W. (2011). Obtaining one-loop gravity amplitudes using spurious singularities. Physical Review D, 84(12)
https://doi.org/10.1103/PhysRevD.84.125029, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa7259
Dunbar, D., Ettle, J., & Perkins, W. (2010). Augmented recursion for one-loop gravity amplitudes. Journal of High Energy Physics, 2010(6), 27
https://doi.org/10.1007/JHEP06(2010)027, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1152
Dunbar, D., Ettle, J., & Perkins, W. (2010). Augmented Recursion For One-loop Amplitudes. Nuclear Physics B - Proceedings Supplements, 205-206-79.
https://doi.org/10.1016/j.nuclphysbps.2010.08.022, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa7265
Dunbar, D., Perkins, W., & Warrick, E. (2009). The unitarity method using a canonical basis approach. Journal of High Energy Physics, 2009(06), 056-056.
https://doi.org/10.1088/1126-6708/2009/06/056, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1115
Bjerrum-Bohr, N., Dunbar, D., & Perkins, W. (2008). Analytic structure of three-mass triangle coefficients. Journal of High Energy Physics, 2008(04), 038-038.
https://doi.org/10.1088/1126-6708/2008/04/038, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1150
Dunbar, D. (2008). The Six Gluon One-Loop Amplitude. Nuclear Physics B - Proceedings Supplements, 183, 122-136.
https://doi.org/10.1016/j.nuclphysbps.2008.09.093, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa13425
Bjerrum-Bohr, N., Dunbar, D., Ita, H., Perkins, W., & Risager, K. (2006). MHV-vertices for gravity amplitudes. Journal of High Energy Physics, 2006(01), 20 pages-009.
https://doi.org/10.1088/1126-6708/2006/01/009, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1543
Bjerrum-Bohr, N., Dunbar, D., Ita, H., Perkins, W., & Risager, K. (2006). The no-triangle hypothesis for Script N = 8 supergravity. Journal of High Energy Physics, 2006(12), 43 pages-072.
https://doi.org/10.1088/1126-6708/2006/12/072, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1544
Bjerrum-Bohr, N., Dunbar, D., Ita, H., & Dunbar, D. (2006). Exploiting Twistor Techniques for One-loop QCD Amplitudes. Nuclear Physics B - Proceedings Supplements, 160, 66-70.
https://doi.org/10.1016/j.nuclphysbps.2006.09.029, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27362
http://www.scopus.com/inward/record.url?eid=2-s2.0-33749496324&partnerID=MN8TOARS
Bjerrum-Bohr, N., Dunbar, D., Ita, H., & Dunbar, D. (2006). Perturbative Gravity and Twistor Space. Nuclear Physics B - Proceedings Supplements, 160, 215-219.
https://doi.org/10.1016/j.nuclphysbps.2006.09.047, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27360
http://www.scopus.com/inward/record.url?eid=2-s2.0-33749362306&partnerID=MN8TOARS
Bern, Z., Bjerrum-Bohr, N., Dunbar, D., Ita, H., & Dunbar, D. (2006). Recursive Approach to One-loop QCD Matrix Elements. Nuclear Physics B - Proceedings Supplements, 157(1), 120-124.
https://doi.org/10.1016/j.nuclphysbps.2006.03.041, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27359
http://www.scopus.com/inward/record.url?eid=2-s2.0-33645935706&partnerID=MN8TOARS
Bidder, S., Bjerrum-Bohr, N., Dunbar, D., & Perkins, W. (2005). One-loop gluon scattering amplitudes in theories with supersymmetries. Physics Letters B, 612(1-2), 75-88.
https://doi.org/10.1016/j.physletb.2005.02.045, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1541
Bjerrum-Bohr, N., Dunbar, D., Ita, H., & Dunbar, D. (2005). Six-point one-loop. Physics Letters B, 621(1-2), 183-194.
https://doi.org/10.1016/j.physletb.2005.05.071, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27364
http://www.scopus.com/inward/record.url?eid=2-s2.0-22544446746&partnerID=MN8TOARS
Bidder, S., Dunbar, D., Perkins, W., & Dunbar, D. (2005). Supersymmetric ward identities and NMHV amplitudes involving gluinos. Journal of High Energy Physics, 2005(08), 055-055.
https://doi.org/10.1088/1126-6708/2005/08/055, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27363
http://www.scopus.com/inward/record.url?eid=2-s2.0-24944524371&partnerID=MN8TOARS
Bern, Z., Bjerrum-Bohr, N., Dunbar, D., & Ita, H. (2005). Recursive calculation of one-loop QCD integral coefficients. Journal of High Energy Physics, 2005(11), 027-027.
https://doi.org/10.1088/1126-6708/2005/11/027, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1533
Bidder, S., Bjerrum-Bohr, N., Dixon, L., & Dunbar, D. (2005). supersymmetric one-loop amplitudes and the holomorphic anomaly of unitarity cuts. Physics Letters B, 606(1-2), 189-201.
https://doi.org/10.1016/j.physletb.2004.11.073, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1534
Bern, Z., Bjerrum-Bohr, N., & Dunbar, D. (2005). Inherited twistor-space structure of gravity amplitudes. Journal of High Energy Physics, 2005(05), 056-056.
https://doi.org/10.1088/1126-6708/2005/05/056, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1535
Bidder, S., Bjerrum-Bohr, N., Dunbar, D., & Perkins, W. (2005). Twistor space structure of the box coefficients of one-loop amplitudes. Physics Letters B, 608(1-2), 151-163.
https://doi.org/10.1016/j.physletb.2004.12.030, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa1536
Dunbar, D., Turner, N., & Dunbar, D. (2003). Gravity and form scattering and renormalization of gravity in six and eight dimensions. Classical and Quantum Gravity, 20(11), 2293-2324.
https://doi.org/10.1088/0264-9381/20/11/323, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27366
http://www.scopus.com/inward/record.url?eid=2-s2.0-0038548297&partnerID=MN8TOARS
Dunbar, D., Turner, N., & Dunbar, D. (2002). Ultra-violet infinities and counterterms in higher-dimensional Yang–Mills. Physics Letters B, 547(3-4), 278-290.
https://doi.org/10.1016/S0370-2693(02)02759-4, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27367
http://www.scopus.com/inward/record.url?eid=2-s2.0-0142260138&partnerID=MN8TOARS
Dunbar, D., Julia, B., Seminara, D., Trigiante, M., & Dunbar, D. (2000). Counterterms in type-I supergravities. , 4
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27370
http://www.scopus.com/inward/record.url?eid=2-s2.0-0345573142&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Grant, A., Perelstein, M., Rozowsky, J., & Dunbar, D. (2000). On perturbative gravity and gauge theory. , 88
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27369
http://www.scopus.com/inward/record.url?eid=2-s2.0-0034196886&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Perelstein, M., Rozowsky, J., & Dunbar, D. (2000). Perturbative relations between gravity and gauge theory. Classical and Quantum Gravity, 17(5), 979-988.
https://doi.org/10.1088/0264-9381/17/5/307, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27368
http://www.scopus.com/inward/record.url?eid=2-s2.0-0034339085&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Perelstein, M., Rozowsky, J., & Dunbar, D. (1998). On the relationship between Yang-Mills theory and gravity and its implication for ultraviolet divergences. , 530
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27371
http://www.scopus.com/inward/record.url?eid=2-s2.0-0032511717&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1997). One-loop self-dual and N = 4 super Yang-Mills. , 394
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27372
http://www.scopus.com/inward/record.url?eid=2-s2.0-0039498782&partnerID=MN8TOARS
Dunbar, D., Norridge, P., & Dunbar, D. (1997). Infinities within graviton scattering amplitudes. Classical and Quantum Gravity, 14(2), 351-365.
https://doi.org/10.1088/0264-9381/14/2/009, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27373
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031537879&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1995). Fusing gauge theory tree amplitudes into loop amplitudes. Nuclear Physics B, 435(1-2), 59-101.
https://doi.org/10.1016/0550-3213(94)00488-Z, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27375
http://www.scopus.com/inward/record.url?eid=2-s2.0-0003149712&partnerID=MN8TOARS
Dunbar, D., Norridge, P., & Dunbar, D. (1995). Calculation of graviton scattering amplitudes using string-based methods. Nuclear Physics B, 433(1), 181-206.
https://doi.org/10.1016/0550-3213(94)00385-R, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27376
http://www.scopus.com/inward/record.url?eid=2-s2.0-0001077522&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1995). Recent progress in one-loop multi-parton calculations. Nuclear Physics B - Proceedings Supplements, 39(2-3), 146-149.
https://doi.org/10.1016/0920-5632(95)00060-M, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27374
http://www.scopus.com/inward/record.url?eid=2-s2.0-21844482246&partnerID=MN8TOARS
Bern, Z., Dixon, L., Dunbar, D., Kosower, D., & Dunbar, D. (1994). One-loop n-point gauge theory amplitudes, unitarity and collinear limits. Nuclear Physics B, 425(1-2), 217-260.
https://doi.org/10.1016/0550-3213(94)90179-1, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27377
http://www.scopus.com/inward/record.url?eid=2-s2.0-0000632007&partnerID=MN8TOARS
Bern, Z., Dunbar, D., Shimada, T., & Dunbar, D. (1993). String-based methods in perturbative gravity. Physics Letters B, 312(3), 277-284.
https://doi.org/10.1016/0370-2693(93)91081-W, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27378
http://www.scopus.com/inward/record.url?eid=2-s2.0-0001582961&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1992). A mapping between Feynman and string motivated one-loop rules in gauge theories. Nuclear Physics B, 379(3), 562-601.
https://doi.org/10.1016/0550-3213(92)90135-X, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27379
http://www.scopus.com/inward/record.url?eid=2-s2.0-0000514212&partnerID=MN8TOARS
Dunbar, D., Jack, I., Jones, D., & Dunbar, D. (1991). Consequences of superpotential renormalisation. Physics Letters B, 261(1-2), 62-64.
https://doi.org/10.1016/0370-2693(91)91325-P, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27382
http://www.scopus.com/inward/record.url?eid=2-s2.0-0002121805&partnerID=MN8TOARS
Bern, Z., Dunbar, D., Guendelman, E., & Dunbar, D. (1991). Multi-instanton interactions in spontaneously broken SU (2) gauge theory. Physics Letters B, 255(3), 385-392.
https://doi.org/10.1016/0370-2693(91)90783-M, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27381
http://www.scopus.com/inward/record.url?eid=2-s2.0-13844273363&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1991). Solution of the dilaton problem in open bosonic string theories. General Relativity and Gravitation, 23(1), 107-113.
https://doi.org/10.1007/BF00766518, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27380
http://www.scopus.com/inward/record.url?eid=2-s2.0-34249917321&partnerID=MN8TOARS
Bailin, D., Dunbar, D., Love, A., & Dunbar, D. (1990). Bosonisation of four dimensional real fermionic string models and asymmetric orbifolds. Nuclear Physics B, 330(1), 124-150.
https://doi.org/10.1016/0550-3213(90)90304-V, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27386
http://www.scopus.com/inward/record.url?eid=2-s2.0-0347880828&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1990). Four-dimensional type I superstrings withN < 4 supergravity. Physics Letters B, 242(2), 175-184.
https://doi.org/10.1016/0370-2693(90)91455-K, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27385
http://www.scopus.com/inward/record.url?eid=2-s2.0-0000658893&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1990). Non-diagonal modular invariants and extensions of Kac-Moody algebras. Physics Letters B, 248(3-4), 317-322.
https://doi.org/10.1016/0370-2693(90)90299-L, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27384
http://www.scopus.com/inward/record.url?eid=2-s2.0-13644258996&partnerID=MN8TOARS
Zvi, B., David, D., & Dunbar, D. (1990). Open superstrings in four dimensions. Physical Review Letters, 64(8), 827-830.
https://doi.org/10.1103/physrevlett.64.827, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27383
Dunbar, D. & Dunbar, D. (1989). Type I superstrings in dimensions less than ten (I): Model construction. Nuclear Physics B, 319(1), 72-103.
https://doi.org/10.1016/0550-3213(89)90601-9, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27389
http://www.scopus.com/inward/record.url?eid=2-s2.0-0001773054&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1989). Type I superstrings in dimensions less than ten (II): Finiteness. Nuclear Physics B, 319(1), 104-132.
https://doi.org/10.1016/0550-3213(89)90602-0, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27388
http://www.scopus.com/inward/record.url?eid=2-s2.0-0001773055&partnerID=MN8TOARS
Bailin, D., Dunbar, D., Love, A., & Dunbar, D. (1989). Yukawa couplings in four-dimensional fermionic string models. Physics Letters B, 219(1), 76-82.
https://doi.org/10.1016/0370-2693(89)90841-1, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27387
http://www.scopus.com/inward/record.url?eid=2-s2.0-0002472247&partnerID=MN8TOARS
Bern, Z., Dunbar, D., & Dunbar, D. (1988). Coupling of open to closed bosonic strings in four dimensions. Physics Letters B, 203(1-2), 109-117.
https://doi.org/10.1016/0370-2693(88)91580-8, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27391
http://www.scopus.com/inward/record.url?eid=2-s2.0-0000420072&partnerID=MN8TOARS
Bailin, D., Dunbar, D., Love, A., & Dunbar, D. (1988). Four-dimensional heterotic string models with rank ⩽6 observable gauge group. Physics Letters B, 212(1), 23-27.
https://doi.org/10.1016/0370-2693(88)91229-4, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27390
http://www.scopus.com/inward/record.url?eid=2-s2.0-45549120043&partnerID=MN8TOARS
Dolan, B., Dunbar, D., Henriques, A., & Dunbar, D. (1988). Compactification on non-symmetric six dimensional coset spaces with torsion. Zeitschrift f�r Physik C Particles and Fields, 40(2), 259-272.
https://doi.org/10.1007/BF01555888, SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27392
http://www.scopus.com/inward/record.url?eid=2-s2.0-34250091500&partnerID=MN8TOARS
Dunbar, D., Perkins, W., Dalgleish, A., & STRONG, J. (n.d.) The Seven-Point Two-Loop Full-Color All-Plus Helicity Yang-Mills Amplitude. arXiv
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa67779

Conference Contributions

Dunbar, D., Godwin, J., Jehu, G., & Perkins, W. (2017). Analytic results for two-loop Yang-Mills. In Proceedings of Science13th International Symposium on Radiative Corrections.
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa37597
https://pos.sissa.it/290/026/pdf
Bjerrum-Bohr, N., Dunbar, D., Ita, H., & Dunbar, D. (2007). Similarities of gauge and gravity amplitudes.
SU Repository: https://cronfa.swan.ac.uk/Record/cronfa27357
http://www.scopus.com/inward/record.url?eid=2-s2.0-84891103047&partnerID=MN8TOARS

Supervision

Analytic Techniques for Calculating Two-Loop Yang-Mills Amplitudes (awarded 2023)

PhD

Other supervisor: Dr Warren Perkins
New techniques for high orders in scattering amplitudes (awarded 2022)

PhD

Other supervisor: Dr Warren Perkins

Taught Modules

PH-232 Mathematics for Physicists III

Provides further essential mathematics for undergraduate physics at Level 2 and beyond
PH-M03 Quantum Field Theory

An introduction to quantum field theory.

Professor David Dunbar

Telephone number

Email address

Research Links

About

Publications

Research Highlights

All Research

Journal Articles

Conference Contributions

Supervision

Analytic Techniques for Calculating Two-Loop Yang-Mills Amplitudes (awarded 2023)

New techniques for high orders in scattering amplitudes (awarded 2022)

Taught Modules

PH-232 Mathematics for Physicists III

PH-M03 Quantum Field Theory