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9 papers · 2 filters
Non-Markovian Transient Casimir-Polder force and population dynamics on excited and ground state atoms: weak and strong coupling regimes in generally non-reciprocal environments
George W. Hanson, S. Ali Hassani Gangaraj, Mario G. Silveirinha +2
The transient Casimir-Polder force on a two-level atom introduced into a three-dimensional, inhomogeneous, generally non-reciprocal environment is evaluated using non-Markovian Wei…
Slow sound in matter-wave dark soliton gases
Muzzamal I. Shaukat, Eduardo V. Castro, Hugo Terças
We demonstrate the possibility of drastically reducing the velocity of phonons in quasi one-dimensional Bose-Einstein condensates. Our scheme consists of a dilute dark-soliton "gas…
Vanishing k-space fidelity and phase diagram's bulk-edge-bulk correspondence
P. D. Sacramento, B. Mera, N. Paunkovic
The fidelity between two infinitesimally close states or the fidelity susceptibility of a system are known to detect quantum phase transitions. Here we show that the k-space fideli…
Integrable quantum dynamics of open collective spin models
Pedro Ribeiro, Tomaž Prosen
We consider a collective quantum spin- in contact with Markovian spin-polarized baths. Using a conserved super-operator charge, a differential representation of the Liouvillian…
An out-of-equilibrium non-Markovian Quantum Heat Engine
Marco Pezzutto, Mauro Paternostro, Yasser Omar
We study the performance of a quantum Otto cycle using a harmonic work medium and undergoing collisional dynamics with finite-size reservoirs. We span the dynamical regimes of the…
Classifying Quantum Entanglement through Topological Links
Gonçalo M. Quinta, Rui André
We propose a new classification scheme for quantum entanglement based on topological links. This is done by identifying a non-rigid ring to a particle, attributing the act of cutti…