302 citations · 4.8k across the 103 of their papers we have counts for
13 papers · 2 filters
Stabilizing quantum dynamics through coupling to a quantized environment
Meenu Kumari, Eduardo Martin-Martinez, Achim Kempf +1
We show that introducing a small uncertainty in the parameters of quantum systems can make the dynamics of these systems robust against perturbations. Concretely, for the case wher…
Light, matter, and quantum randomness generation: A relativistic quantum information perspective
Richard Lopp, Eduardo Martin-Martinez
We study how quantum randomness generation based on unbiased measurements on a hydrogen-like atom can get compromised by virtue of the unavoidable coupling of the atom with the ele…
Finite sizes and smooth cutoffs in superconducting circuits
Emma McKay, Adrian Lupascu, Eduardo Martin-Martinez
We investigate the validity of two common assumptions in the modelling of superconducting circuits: first, that the superconducting qubits are pointlike, and second, that the UV be…
A classification of open Gaussian dynamics
Daniel Grimmer, Eric Brown, Achim Kempf +2
We introduce a classification scheme for the generators of bosonic open Gaussian dynamics, providing instructive diagrams description for each type of dynamics. Using this classifi…
Transmitting qubits through relativistic fields
Robert H. Jonsson, Katja Ried, Eduardo Martin-Martinez +1
Wireless communication derives its power from the simultaneous emission of signals in multiple directions. However, in the context of quantum communication, this phenomenon must be…
Transmission of Information in Non-Local Field Theories
Alessio Belenchia, Dionigi M. T. Benincasa, Stefano Liberati +1
The signaling between two observers in 3+1 dimensional flat spacetime coupled locally to a non-local field is considered. We show that in the case where two observers are purely ti…
Non-perturbative analysis of entanglement harvesting from coherent field states
Petar Simidzija, Eduardo Martin-Martinez
We study (non-perturbatively) the interactions of delta-coupled detectors with coherent states of a scalar field. We show that the time-evolved density matrix spectra of i) a singl…
Over the horizon: distinguishing the Schwarzschild spacetime and the spacetime using an Unruh-DeWitt detector
Keith K. Ng, Robert B. Mann, Eduardo Martin-Martinez
We show that a particle detector can distinguish the geon from the Schwarzschild black hole, even though they differ only by a topological identification beyond the…
All coherent field states entangle equally
Petar Simidzija, Eduardo Martin-Martinez
We analyze the interactions of particle detectors with coherent states of a free scalar field. We find that the eigenvalues of the post-interaction density matrices of i) a single…
Entanglement harvesting and divergences in quadratic Unruh-DeWitt detectors pairs
Allison Sachs, Robert B. Mann, Eduardo Martin-Martinez
We analyze correlations between pairs of particle detectors quadratically coupled to a real scalar field. We find that, while a single quadratically coupled detector presents no di…
Correlation-Enhanced Algorithmic Cooling
Nayeli A. Rodriguez-Briones, Eduardo Martin-Martinez, Achim Kempf +1
We propose a method for increasing purity of interacting quantum systems that takes advantage of correlations present due to the internal interaction. In particular we show that by…
Degenerate detectors are unable to harvest spacelike entanglement
Alejandro Pozas-Kerstjens, Jorma Louko, Eduardo Martin-Martinez
We show, under a very general set of assumptions, that pairs of identical particle detectors in spacelike separation, such as atomic probes, can only harvest entanglement from the…
Engineering negative stress-energy densities with quantum energy teleportation
Nicholas Funai, Eduardo Martin-Martinez
We use quantum energy teleportation in the light-matter interaction as an operational means to create quantum field states that violate energy conditions and have negative local st…