SCOAP3 Repository 11 records found  1 - 10nextSearch took 0.22 seconds. 
1. Failure of perturbation theory near horizons: the Rindler example / Burgess, C. ; Hainge, Joshua ; Kaplanek, Greg ; Rummel, Markus
Persistent puzzles to do with information loss for black holes have stimulated critical reassessment of the domain of validity of semiclassical EFT reasoning in curved spacetimes, particularly in the presence of horizons. [...]
Published in JHEP 1810 (2018) 122 10.1007/JHEP10(2018)122 arXiv:1806.11415
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2. Effective field theory of black hole echoes / Burgess, C. ; Plestid, Ryan ; Rummel, Markus
Gravitational wave ‘echoes’ during black-hole merging events have been advocated as possible signals of modifications to gravity in the strong-field (but semiclassical) regime. [...]
Published in JHEP 1809 (2018) 113 10.1007/JHEP09(2018)113 arXiv:1808.00847
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3. The 3.5 keV line from stringy axions / Cicoli, Michele ; Diaz, Victor ; Guidetti, Veronica ; Rummel, Markus
An interesting result in particle astrophysics is the recent detection of an unexplained 3.5 keV line from galaxy clusters. [...]
Published in JHEP 1710 (2017) 192 10.1007/JHEP10(2017)192 arXiv:1707.02987
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4. Point-particle effective field theory III: relativistic fermions and the Dirac equation / Burgess, C. ; Hayman, Peter ; Rummel, Markus ; Zalavári, László
We formulate point-particle effective field theory (PPEFT) for relativistic spin-half fermions interacting with a massive, charged finite-sized source using a first-quantized effective field theory for the heavy compact object and a second-quantized language for the lighter fermion with which it interacts. [...]
Published in JHEP 1709 (2017) 007 10.1007/JHEP09(2017)007 arXiv:1706.01063
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5. Point-particle effective field theory II: relativistic effects and Coulomb/inverse-square competition / Burgess, C. ; Hayman, Peter ; Rummel, Markus ; Williams, Matt ; et al
We apply point-particle effective field theory (PPEFT) to compute the leading shifts due to finite-sized source effects in the Coulomb bound energy levels of a relativistic spinless charged particle. [...]
Published in JHEP 1707 (2017) 072 10.1007/JHEP07(2017)072 arXiv:1612.07334
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6. Accidental Kähler moduli inflation / Maharana, Anshuman ; Rummel, Markus ; Sumitomo, Yoske
We study a model of accidental inflation in type IIB string theory where inflation occurs near the inflection point of a small Kähler modulus [...]
Published in JCAP 1509 (2015) 040 10.1088/1475-7516/2015/09/040 arXiv:1504.07202
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7. De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications / Braun, Andreas ; Rummel, Markus ; Sumitomo, Yoske ; Valandro, Roberto
In [1] a mechanism to fix the closed string moduli in a de Sitter minimum was proposed: a D-term potential generates a linear relation between the volumes of two rigid divisors which in turn produces at lower energies a race-track potential with de Sitter minima at exponentially large volume. [...]
Published in JHEP 1512 (2015) 033 10.1007/JHEP12(2015)033 arXiv:1509.06918
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8. Accidental Kähler moduli inflation / Maharana, Anshuman ; Rummel, Markus ; Sumitomo, Yoske
We study a model of accidental inflation in type IIB string theory where inflation occurs near the inflection point of a small Kähler modulus [...]
Published in JCAP 1509 (2015) 040 10.1088/1475-7516/2015/9/040 arXiv:1504.07202
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9. Observational consistency and future predictions for a 3.5 keV ALP to photon line / Alvarez, Pedro D. ; Conlon, Joseph P. ; Day, Francesca V. ; Marsh, M.C. David ; et al
Motivated by the possibility of explaining the 3.5 keV line through dark matter decaying to axion-like particles that subsequently convert to photons, we study ALP-photon conversion for sightlines passing within 50 pc of the galactic centre. [...]
Published in JCAP 1504 (2015) 013 10.1088/1475-7516/2015/04/013 arXiv:1410.1867
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10. ALP conversion and the soft X-ray excess in the outskirts of the Coma cluster / Kraljic, David ; Rummel, Markus ; Conlon, Joseph P.
It was recently found that the soft X-ray excess in the center of the Coma cluster can be fitted by conversion of axion-like-particles (ALPs) of a cosmic axion background (CAB) to photons. [...]
Published in JCAP 1501 (2015) 011 10.1088/1475-7516/2015/01/011 arXiv:1406.5188
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