Semiclassical (black) stars (2021) (1.6MB)

Dancing till the end of gravitational collpase: black stars (2020) (5MB) 

Gauge without gauge---GR22 (2019) (0.3MB)

Quantum fields and gravity (2019) (0.3MB)

Gauge without gauge: From physical symmetries to emergent gauge symmetries (2019) (0.2 MB)

Quickly bouncing towards a black end (2016) (0.3MB)

Do stars die too long? (2015) (2.7MB)

Black holes... to be or not to be, that is the question (2012) (0.1MB)

High way to hell: heating up or cooling down (2011) (1.0MB)

Artificial black holes in BECs (2011) (2.9MB)

Two faces of quantum sound (2010) (0.6MB)

Gravitational analogs (2010) (1.5MB)

Emergent black holes (2009) (0.6MB)

Sensitivity of Hawking radiation to superluminal dispersion relations (2009) (0.5MB)

Quasinormal modes in BEC acoustic black holes (2007) (0.5MB)

Stability of sonic horizons in BECs (2006) (0.5MB)

Dilute BEC: The weight of sound (2005) (1.8MB)

Real (imperfect) clocks and the Zeno effect (2005) (0.7MB)

Quantum evolution in fluctuating backgrounds: non-ideal clocks and foamlike spacetimes (2004) (0.9MB)

Agujeros negros acústicos en condensados de Bose-Einstein (2003) (1.9MB)

Curso "Agujeros negros acústicos en condensados de Bose-Einstein" (2002) (3.5MB)

Sonic event horizons and pair creation in Bose-Einstein condensates (2002) (1.9MB)

Quantum mechanics with non-ideal clocks (2001) (0.5MB)

Spacetime foam as a quantum thermal bath (1998) (0.1MB)

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