Search Results - "Jonsson, Robert H"
-
1
Information transmission without energy exchange
Published in Physical review letters (20-03-2015)“…We show that it is possible to use a massless field in the vacuum to communicate in such a way that the signal travels arbitrarily slower than the speed of…”
Get full text
Journal Article -
2
Random Pure Gaussian States and Hawking Radiation
Published in Physical review letters (09-08-2024)“…A black hole evaporates by Hawking radiation. Each mode of that radiation is thermal. If the total state is nevertheless to be pure, modes must be entangled…”
Get full text
Journal Article -
3
Minimal energy cost of entanglement extraction
Published in Quantum (Vienna, Austria) (15-07-2019)“…We compute the minimal energy cost for extracting entanglement from the ground state of a bosonic or fermionic quadratic system. Specifically, we find the…”
Get full text
Journal Article -
4
Chain-mapping methods for relativistic light-matter interactions
Published in Quantum (Vienna, Austria) (2024)“…The interaction between localized emitters and quantum fields, both in relativistic settings and in the case of ultra-strong couplings, requires…”
Get full text
Journal Article -
5
Entanglement dualities in supersymmetry
Published in Physical review research (01-06-2021)“…We derive a general relation between the bosonic and fermionic entanglement in the ground states of supersymmetric quadratic Hamiltonians. For this, we…”
Get full text
Journal Article -
6
Chain-mapping methods for relativistic light-matter interactions
Published 22-01-2024“…Quantum 8, 1237 (2024) The interaction between localized emitters and quantum fields, both in relativistic settings and in the case of ultra-strong couplings,…”
Get full text
Journal Article -
7
Quantum signaling in cavity QED
Published in Physical review. A, Atomic, molecular, and optical physics (19-02-2014)Get full text
Journal Article -
8
Quantum Signaling in Relativistic Motion and Across Acceleration Horizons
Published 17-04-2020“…Journal of Physics A: Mathematical and Theoretical 50, no. 35 (2017): 355401 The quantum channel between two particle detectors provides a prototype framework…”
Get full text
Journal Article -
9
Supersymmetric Free Fermions and Bosons: Locality, Symmetry and Topology
Published 14-03-2022“…Phys. Rev. B 105, 085423 (2022) Supersymmetry, originally proposed in particle physics, refers to a dual relation that connects fermionic and bosonic degrees…”
Get full text
Journal Article -
10
Numerical Analysis of the Causal Action Principle in Low Dimensions
Published 17-01-2022“…The numerical analysis of causal fermion systems is advanced by employing differentiable programming methods. The causal action principle for weighted counting…”
Get full text
Journal Article -
11
Minimal energy cost of entanglement extraction
Published 14-05-2020“…Quantum 3, 165 (2019) We compute the minimal energy cost for extracting entanglement from the ground state of a bosonic or fermionic quadratic system…”
Get full text
Journal Article -
12
Entanglement dualities in supersymmetry
Published 18-06-2021“…Phys. Rev. Research 3, 023213 (2021) We derive a general relation between the bosonic and fermionic entanglement in the ground states of supersymmetric…”
Get full text
Journal Article -
13
Random pure Gaussian states and Hawking radiation
Published 07-08-2024“…Phys. Rev. Lett. 133, 060202 (2024) A black hole evaporates by Hawking radiation. Each mode of that radiation is thermal. If the total state is nevertheless to…”
Get full text
Journal Article -
14
Notions of Fermionic Entropies of a Causal Fermion System
Published 03-08-2024“…The fermionic von Neumann entropy, the fermionic entanglement entropy and the fermionic relative entropy are defined for causal fermion systems. Our definition…”
Get full text
Journal Article -
15
Non-perturbative treatment of giant atoms using chain transformations
Published 19-07-2022“…Phys. Rev. A 106, 013702 (2022) Superconducting circuits coupled to acoustic waveguides have extended the range of phenomena that can be experimentally studied…”
Get full text
Journal Article -
16
General no-go theorem for entanglement extraction
Published 26-01-2022“…Phys. Rev. D 97, 125002 (2018) We study under what circumstances a separable bipartite system A-B can or cannot become entangled through local interactions…”
Get full text
Journal Article -
17
Information travels in massless fields in 1+1 dimensions where energy cannot
Published 29-11-2016“…Journal of Physics A: Mathematical and Theoretical 49, no. 44 (2016): 445402 It has been demonstrated that, in (1+1) spacetime dimensions, massless fields can…”
Get full text
Journal Article -
18
Lensing of Vacuum Entanglement near Schwarzschild Black Holes
Published 10-08-2023“…An important feature of Schwarzschild spacetime is the presence of orbiting null geodesics and caustics. Their presence implies strong gravitational lensing…”
Get full text
Journal Article -
19
Transmitting qubits through relativistic fields
Published 31-10-2018“…J. Phys. A: Math. Theor., vol. 51, no. 48, p. 485301, 2018 Wireless communication derives its power from the simultaneous emission of signals in multiple…”
Get full text
Journal Article -
20
Communication through quantum fields near a black hole
Published 17-06-2020“…Phys. Rev. D 101, 125005 (2020) We study the quantum channel between two localized first-quantized systems that communicate in 3+1 dimensional Schwarzschild…”
Get full text
Journal Article