Ruth Gregory, PhD University of Cambridge

(email at r.a.w.gregory@durham.ac.uk)

Research Groups

Department of Mathematical Sciences

• Mathematical & Theoretical Physics
• Mathematical & Theoretical Physics: String Theory, Gravity and Cosmology

Research Interests

• General relativity and cosmology

Publications

Book review

• Gregory, Ruth (2013). Supergravity. Classical and Quantum Gravity 30(3): 039001.
• Gregory, Ruth (2010). Introduction to General Relativity. Classical and Quantum Gravity 27(13).
• Gregory, Ruth (2009). Cosmic Alternatives?. Physics World 22(4): 40-41.
• Gregory, Ruth (2007). Brane Localized Gravity. Classical and Quantum Gravity 24: 3525-3527.
• Gregory, Ruth (2007). The land before time. Physics World 20(12): 39-40.

Conference Paper

• Moss, Ian & Gregory, Ruth (2018), Higgs Cosmology and Dark Matter, 335: Proceedings of 2nd World Summit: Exploring the Dark Side of the Universe — PoS(EDSU2018). University of Antilles, Pointe-Ã ˘a-Pitre, Guadeloupe, France, Sissa Medialab, 010.
• Ruth Gregory & Ian Moss (2016), The Fate of the Higgs Vacuum, Proceedings of Science 2016: 38th International Conference on High Energy Physics (ICHEP2016). Chicago, USA, SISSA, 344.

Journal Article

• Appels, Michael, Cuspinera, Leopoldo, Gregory, Ruth, Krtouš, Pavel & Kubizňák, David (2020). Are “Superentropic” black holes superentropic?. Journal of High Energy Physics 2020(2): 195.
• Gregory, Ruth, Moss, Ian G. & Oshita, Naritaka (2020). Black holes, oscillating instantons and the Hawking-Moss transition. Journal of High Energy Physics 2020(7): 024.
• Dai, De-Chang, Gregory, Ruth & Stojkovic, Dejan (2020). Connecting the Higgs potential and primordial black holes. Physical Review D 101(12): 125012.
• Gregory, Ruth, Moss, Ian G., Oshita, Naritaka & Patrick, Sam (2020). Hawking-Moss transition with a black hole seed. Journal of High Energy Physics 2020(9): 1-14.
• Cuspinera, Leopoldo, Gregory, Ruth, Marshall, Katie M. & Moss, Ian G. (2020). Higgs vacuum decay in a braneworld. International Journal of Modern Physics D 29(1): 2050005.
• Gregory, Ruth & Scoins, Andrew (2019). Accelerating black hole chemistry. Physics Letters B 796: 191-195.
• Ahmed, Wasif, Chen, Hong Zhe, Gesteau, Elliott, Gregory, Ruth & Scoins, Andrew (2019). Conical holographic heat engines. Classical and Quantum Gravity 36(21): 214001.
• Wong, Leong Khim, Davis, Anne-Christine & Gregory, Ruth (2019). Effective field theory for black holes with induced scalar charges. Physical Review D 100(2): 024010.
• Cuspinera, Leopoldo, Gregory, Ruth, Marshall, Katie M. & Moss, Ian G. (2019). Higgs vacuum decay from particle collisions?. Physical Review D 99(2): 024046.
• Burda, Philipp, Gregory, Ruth & Jain, Akash (2019). Holographic reconstruction of bubble spacetimes. Physical Review D 99(2): 026003.
• Charmousis, Christos, Crisostomi, Marco, Gregory, Ruth & Stergioulas, Nikolaos (2019). Rotating black holes in higher order gravity. Physical Review D 100(8): 084020.
• Billam, Thomas P., Gregory, Ruth, Michel, Florent & Moss, Ian G. (2019). Simulating seeded vacuum decay in a cold atom system. Physical Review D 100(6): 065016.
• Anabalón, Andrés, Gray, Finnian, Gregory, Ruth, Kubizňák, David & Mann, Robert B. (2019). Thermodynamics of charged, rotating, and accelerating black holes. Journal of High Energy Physics 2019(4): 96.
• Gregory, Ruth, Kastor, David & Traschen, Jennie (2018). Evolving black holes in inflation. Classical and Quantum Gravity 35(15): 155008.
• Gregory, Ruth , Marshall, Katie M. Florent, Michel & Moss, Ian G. (2018). Negative modes of Coleman–De Luccia and black hole bubbles. Physical Review D 98(8): 085017.
• Gregory, Ruth (2017). Accelerating Black Holes. Journal of Physics: Conference Series 942: 012002.
• Appels, Michael, Gregory, Ruth & Kubiznak, David (2017). Black hole thermodynamics with conical defects. Journal of High Energy Physics 2017(5): 116.
• Gregory, Ruth, Kastor, David & Traschen, Jennie (2017). Black hole thermodynamics with dynamical lambda. Journal of High Energy Physics 2017(10): 118.
• Davis, Anne C., Gregory, Ruth & Jha, Rahul (2016). Black hole accretion discs and screened scalar hair. Journal of Cosmology and Astroparticle Physics 2016(10): 024.
• Burda, P., Gregory, R. & Moss, I. (2016). The fate of the Higgs vacuum. Journal of High Energy Physics 2016(6): 25.
• Appels, Michael, Gregory, Ruth & Kubizňák, David (2016). Thermodynamics of Accelerating Black Holes. Physical Review Letters 117(13): 131303.
• Burda, Philipp, Gregory, Ruth & Moss, Ian (2015). Gravity and the stability of the Higgs vacuum. Physical Review Letters 115(7): 071303.
• Burda, Philipp, Gregory, Ruth & Moss, Ian (2015). Vacuum metastability with black holes. Journal of High Energy Physics 2015(8): 114.
• Davis, Anne-Christine, Gregory, Ruth, Jha, Rahul & Muir, Jessica (2014). Astrophysical black holes in screened modified gravity. Journal of Cosmology and Astroparticle Physics 2014(08): 033.
• Gregory, R., Moss, I. & Withers, B. (2014). Black holes as bubble nucleation sites. Journal of High Energy Physics 2014(3): 81.
• Burda, Philipp, Gregory, Ruth & Ross, Simon (2014). Lifshitz flows in IIB and dual field theories. Journal of High Energy Physics 2014(11): 73.
• Chadburn, Sarah & Gregory, Ruth (2014). Time dependent black holes and scalar hair. Classical and quantum gravity 31(19): 195006.
• Gregory, Ruth, Gustainis, Peter, Kubizňák, David, Mann, Robert & Wills, Danielle (2014). Vortex Hair on ADS Black Holes. Journal of High Energy Physics 2014(11): 10.
• Gregory, R., Kubiznak, D. & Wills, D. (2013). Rotating black hole hair. Journal of High Energy Physics 2013(6): 23.
• Avgoustidis, Anastasios, Chadburn, Sarah & Gregory, Ruth (2012). Cosmic superstring trajectories in warped compactifications. Physical Review D 86(6).
• Barclay, Luke, Gregory, Ruth, Parameswaran, Susha, Tasinato, Gianmassimo & Zavala, Ivonne (2012). Lifshitz black holes in IIA supergravity. Journal of High Energy Physics 2012(5): 122.
• Cardoso,Vitor, Gualtieri, Leonardo, Herdeiro, Carlos, Sperhake, Ulrich, Chesler, Paul, Lehner, Luis, Park, Seong Chan, Reall, Harvey, Sopuerta, Carlos, Alic, Daniela, Dias, Oscar, Emparan, Roberto, Ferrari, Valeria, Giddings, Steve, Godazgar, Mahdi, Gregory, Ruth, Hubeny, Veronika, Ishibashi, Akihiro, Landsberg, Greg, Lousto, Carlos, Mateos, David, Moeller, Vicki, Okawa, Hirotada, Pani, Paulo, Parker, Andy, Pretorius, Frans, Shibata, Masaru, Sotani, Hajime, Wiseman, Toby, Witek, Helvi, Yunes, Nicolas & Zilhao, Miguel (2012). NR/HEP: roadmap for the future. Classical and Quantum Gravity 29(24): 244001.
• Gregory, R. & Kaviani, D. (2012). Spinflation with Angular Potentials. Journal of High Energy Physics 2012(1): 37.
• Braviner, H. Gregory, R. & Ross, S.F. (2011). Flows involving Lifshitz solutions. Classical and Quantum Gravity 28(22): 225028.
• O'Callaghan, E. & Gregory, R. (2011). Kinks, extra dimensions and gravitational waves. Journal of Cosmology and Astroparticle Physics 2011(03): 004.
• O'Callaghan, Eimear, Chadburn, Sarah, Geshnizjani, Ghazal, Gregory, Ruth & Zavala, Ivonne (2010). Effect of extra dimensions on gravitational waves from cosmic strings. Physical Review Letters 105(8): 081602.
• Barclay, L., Gregory, R., Kanno, S. & Sutcliffe, P. (2010). Gauss-Bonnet Holographic Superconductors. Journal of High Energy Physics 2010(12): 29.
• Gregory, R., Parameswaran, S.L., Tasinato, G. & Zavala, I. (2010). Lifshitz solutions in supergravity and string theory. Journal of High Energy Physics 2010(12): 47.
• O'Callaghan, Eimear, Chadburn, Sarah, Geshnizjani, Ghazal, Gregory, Ruth & Zavala, Ivonne (2010). The effect of extra dimensions on gravity wave bursts from cosmic string cusps. JCAP 1009: 013.
• Gregory, Ruth (2009). Braneworld black holes. Lecture Notes in Physics 769: 259-298.
• Easson, Damien A. & Gregory, Ruth (2009). Circumventing the eta problem. Phys. Rev D80: 083518.
• Gregory, R., Kanno, S. & Soda, J. (2009). Holographic superconductors with higher curvature corrections. Journal of High Energy Physics 2009(10): 010.
• Gregory, Ruth, Leksono, Armalivia & Mistry, Bina (2009). On black holes in heterotic braneworlds. Phys. Rev D79: 083524.
• O'Callaghan, Eimear, Gregory, Ruth & Pourtsidou, Alkistis (2009). The Cosmology of Asymmetric Brane Modified Gravity. JCAP 0909: 020.
• Gregory, Ruth, Ross, Simon F. & Zegers, Robin (2008). Classical and quantum gravity of brane black holes. Journal of High Energy Physics 2008(09): 029.
• Easson, Damien A., Gregory, Ruth, Mota, David F., Tasinato, Gianmassimo & Zavala, I. (2008). Spinflation. Journal of Cosmology and Astroparticle Physics 0802: 010.
• Gregory, Ruth (2008). The three burials of Melquiades DGP. Prog. Theor. Phys. Suppl 172: 71-80.
• Gregory, Ruth, Kaloper, Nemanja, Myers, Robert C. & Padilla, Antonio (2007). A New Perspective on DGP Gravity. JHEP 10: 069.
• Easson, Damien A., Gregory, Ruth, Tasinato, Gianmassimo & Zavala, I. (2007). Cycling in the throat. JHEP 04: 026.
• Charmousis, Christos, Gregory, Ruth & Padilla, Antonio (2007). Stealth Acceleration and Modified Gravity. JCAP 0710: 006.
• Creek, Simon, Gregory, Ruth, Kanti, Panagiota & Mistry, Bina (2006). Braneworld stars and black holes. Classical and Quantum Gravity 23(23): 6633-6657.
• Charmousis, C., Gregory, R., Kaloper, N. & Padilla, A. (2006). DGP specteroscopy. Journal of High Energy Physics 2006(10): 066.
• Charmousis, Christos & Gregory, Ruth (2004). Axisymmetric metrics in arbitrary dimensions. Classical and Quantum Gravity 21: 527-553.
• Bostock, P. Gregory, R. , Navarro, I. & Santiago, J. (2004). Einstein gravity on the codimension 2 brane?. Physical Review Letters 92(22): 221601.
• Gregory, Ruth, Whisker, Richard, Beckwith, Kris and Done, & Chris (2004). Observing braneworld black holes. Journal of Cosmology and Astro-Particle Physics 10: 13-.
• Gregory, Ruth (2003). Inflating p-branes. Journal of High Energy Physics 6: 41-.
• Gregory, Ruth & Santos, Caroline (2003). Spacetime structure of the global vortex. Classical and Quantum Gravity 20: 21-35.
• Gregory, R. & Harvey, J. A. (2003). Spacetime decay of cones at strong coupling. Classical and Quantum Gravity 20(19): L231-L237.
• Gregory, Ruth & Padilla, Antonio (2002). Braneworld instantons. Classical and Quantum Gravity 19: 279-302.
• Gregory, Ruth (2002). Macroscopic open strings and gravitational confinement. Physics Letters B 547: 55-62.
• Gregory, R. & Padilla, A. (2002). Nested braneworlds and strong brane gravity. Physical Review D 65(8): 084013.
• Emparan, Roberto, Gregory, Ruth and Santos, Caroline (2001). Black holes on thick branes. Physical Review D 63: 104022-.
• Charmousis, C., Emparan, R. & Gregory, R. (2001). Self-gravity of brane worlds: a new hierarchy twist. Journal of High Energy Physics 2001(05): 026.
• Gregory, Ruth, Rubakov, Valery A. and Sibiryakov, Sergei & M. (2000). Brane worlds: the gravity of escaping matter. Classical and Quantum Gravity 17: 4437-4449.
• Bonjour, Filipe, Charmousis, Christos and Gregory, Ruth (2000). Dynamics of curved gravitating walls. Physical Review D 62: 083504-.
• Bowcock, Peter, Charmousis, Christos and Gregory, Ruth (2000). General brane cosmologies and their global spacetime structure. Classical and Quantum Gravity 17: 4745-4763.
• Gregory, R., Rubakov, V. A. and Sibiryakov, S. M. (2000). Gravity and antigravity in a brane world with metastable gravitons. Physics Letters B 489: 203-206.
• Gregory, Ruth (2000). LETTER TO THE EDITOR: Black string instabilities in anti-de Sitter space. Classical and Quantum Gravity 17: L125-L131.
• Gregory, Ruth (2000). Nonsingular Global String Compactifications. Physical Review Letters 84: 2564-2567.
• Gregory, Ruth, Rubakov, Valery A. and Sibiryakov, Sergei & M. (2000). Opening up Extra Dimensions at Ultralarge Scales. Physical Review Letters 84: 5928-5931.
• Santos, Caroline & Gregory, Ruth (2000). Vortices and black holes in dilatonic gravity. Physical Review D 61: 024006-.
• Charmousis, Christos, Gregory, Ruth and Rubakov, Valery & A. (2000). Wave function of the radion in a brane world. Physical Review D 62: 067505-.
• Bonjour, Filipe, Charmousis, Christos and Gregory, Ruth (1999). Thick domain wall universes. Classical and Quantum Gravity 16: 2427-2445.
• Bonjour, Filipe, Emparan, Roberto and Gregory, Ruth (1999). Vortices and extreme black holes: The question of flux expulsion. Physical Review D 59: 084022-.
• Bonjour, Filipe & Gregory, Ruth (1998). Comment on ``Absence of Abelian Higgs Hair for Extreme Black Holes''. Physical Review Letters 81: 5034-.
• Dando, Owen & Gregory, Ruth (1998). Dilatonic global strings. Physical Review D 58: 023502-.
• Dando, Owen & Gregory, Ruth (1998). Global monopoles in dilaton gravity. Classical and Quantum Gravity 15: 985-995.
• Gregory, Ruth & Santos, Caroline (1997). Cosmic strings in dilaton gravity. Physical Review D 56: 1194-1203.
• Santos, Caroline & Gregory, Ruth (1997). Cosmology in Brans-Dicke Theory with a Scalar Potential. Annals of Physics 258: 111-134.
• Anderson, Malcolm, Bonjour, Filipe, Gregory, Ruth and & Stewart, John (1997). Effective action and motion of a cosmic string. Physical Review D 56: 8014-8028.
• Achúcarro, Ana & Gregory, Ruth (1997). Selection Rules for Splitting Strings. Physical Review Letters 79: 1972-1975.
• Gregory, Ruth (1996). Cosmic p-branes. Nuclear Physics B 467: 159-182.
• Gregory, Ruth (1996). Nonsingular global strings. Physical Review D 54: 4955-4962.
• Achúcarro, Ana, Gregory, Ruth and Kuijken, Konrad (1995). Abelian Higgs hair for black holes. Physical Review D 52: 5729-5742.
• Carter, Brandon & Gregory, Ruth (1995). Curvature corrections to dynamics of domain walls. Physical Review D 51: 5839-5846.
• Gregory, Ruth & Laflamme, Raymond (1995). Evidence for the stability of extremal black p-branes. Physical Review D 51: 305-.
• Gregory, Ruth & Hindmarsh, Mark (1995). Smooth metrics for snapping strings. Physical Review D 52: 5598-5604.
• Achúcarro, Ana, Gregory, Ruth, Harvey, Jeffrey A. and & Kuijken, Konrad (1994). Role of W condensation in electroweak string stability. Physical Review Letters 72: 3646-3649.
• Gregory, Ruth & Laflamme, Raymond (1994). The instability of charged black strings and p-branes. Nuclear Physics B 428: 399-434.
• Gregory, Ruth & Harvey, Jeffrey A. (1993). Black holes with a massive dilaton. Physical Review D 47: 2411-2422.
• Gregory, Ruth & Laflamme, Raymond (1993). Black strings and p-branes are unstable. Physical Review Letters 70: 2837-2840.
• Dowker, Fay, Gregory, Ruth and Traschen, Jennie (1992). Euclidean black-hole vortices. Physical Review D 45: 2762-2771.
• Gregory, Ruth & Harvey, Jeffrey A. (1992). Quantum fermion hair. Physical Review D 46: 3302-3308.
• Gregory, Ruth (1991). Effective actions for bosonic topological defects. Physical Review D 43: 520-525.
• Dowker, Fay, Gregory, Ruth and Traschen, Jennie (1991). Euclidean black hole vortices. NASA STI/Recon Technical Report N 92: 26436-.
• Bowcock, Peter & Gregory, Ruth (1991). Multidimensional tunneling and complex momentum. Physical Review D 44: 1774-1785.
• Brightwell, Graham & Gregory, Ruth (1991). Structure of random discrete spacetime. Physical Review Letters 66: 260-263.
• Garfinkle, David & Gregory, Ruth (1990). Corrections to the thin-wall approximation in general relativity. Physical Review D 41: 1889-1894.
• Gregory, Ruth, Haws, David and Garfinkle, David (1990). Dynamics of domain walls and strings. Physical Review D 42: 343-348.
• Gregory, Ruth, Davis, Anne-Christine and Brandenberger, & Robert (1989). Cosmic string catalysis of skyrmion decay. Nuclear Physics B 323: 187-208.
• Gregory, Ruth (1989). Cosmological cosmic strings. Physical Review D 39: 2108-2114.
• Gregory, R. (1988). Effective action for a cosmic string. Physics Letters B 206: 199-204.
• Gregory, Ruth (1988). Global string singularities. Physics Letters B 215: 663-668.
• Gregory, R. & Laflamme, R. (1988). Hypercylindrical black holes. Physical Review D 37: 305-308.
• Gregory, R. (1987). Gravitational stability of local strings. Physical Review Letters 59: 740-743.
• Chamorro, A., Gregory, R. & Stewart, J.M. (1987). Static axisymmetric discs and gravitational collapse. Royal Society of London Proceedings Series A 413: 251-262.

Newspaper/Magazine Article

• Gregory, Ruth (2007). Brane new world?. Frontiers 26: 20-21.

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Available for media contact about:

• Physics: Gravity and dark energy
• Astronomy and Astrophysics: Gravity and dark energy
• Elementary Particle Theory: Gravity and dark energy
• Physics: Early Universe Cosmology
• Astronomy and Astrophysics: Early Universe Cosmology
• Elementary Particle Theory: Early Universe Cosmology
• Mathematical Sciences and Statistics: Black Holes
• Particle theory: Black Holes
• Physics: Black Holes
• Astronomy and Astrophysics: Black Holes
• Elementary Particle Theory: Black Holes
• Mathematical Sciences and Statistics: Physics of Extra Dimensions
• Particle theory: Physics of Extra Dimensions
• Physics: Physics of Extra Dimensions
• Astronomy and Astrophysics: Physics of Extra Dimensions
• Elementary Particle Theory: Physics of Extra Dimensions

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