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10 papers · 2 filters
Semiclassical Backreaction: A Qualitative Assessment
Fabio van Dissel, George Zahariade
The backreaction of quantum degrees of freedom on classical backgrounds is a poorly understood topic in theoretical physics. Most often it is treated within the semiclassical appro…
Benchmarking quantum chaos from geometric complexity
Arpan Bhattacharyya, Suddhasattwa Brahma, Satyaki Chowdhury +1
Recent studies have shown that there is a strong interplay between quantum complexity and quantum chaos. In this work, we consider a new method to study geometric complexity for in…
Spectral wall in collisions of excited Abelian Higgs vortices
A. Alonso-Izquierdo, J. Mateos Guillarte, M. Rees +1
We find a spectral wall in collisions of two vortices in the Abelian Higgs model at the critical coupling. It occurs if the out-of-phase mode of initially separated vortices is exc…
Entanglement wedge method, out-of-time-ordered correlators, and pole skipping
Banashree Baishya, Adrita Chakraborty, Nibedita Padhi
We investigate two salient chaotic features, namely Lyapunov exponent and butterfly velocity, for an asymptotically Lifshitz black hole background with arbitrary dynamical critical…
Cosmological scaling of precursor domain walls
Mainak Mukhopadhyay, Oriol Pujolas, George Zahariade
Domain wall (DW) networks have a large impact on cosmology and present interesting dynamics that can be controlled by various scaling regimes. In the first stage after spontaneous…
Compressibility of dense nuclear matter in the -meson variant of the Skyrme model
Miguel Huidobro, Paul Leask, Carlos Naya +1
We show that coupling the -valued Skyrme field to the -meson solves the long-standing issue of (in)compressibility in the solitonic Skyrme model. Even by includi…