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Title: Environment-Assisted Speed-up of the Field Evolution in Cavity Quantum Electrodynamics

Journal Article · · Physical Review Letters
 [1];  [2];  [1];  [1];  [1];  [3]
  1. Univ. of Maryland, College Park, MD (United States). Joint Quantum Institute, Department of Physics
  2. Univ. of Maryland, College Park, MD (United States). Joint Quantum Institute, Department of Physics. Shanxi University, Taiyuan (China). State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics.
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division and Center for Nonlinear Studies

We measure the quantum speed of the state evolution of the field in a weakly-driven optical cavity QED system. To this end, the mode of the electromagnetic field is considered as a quantum system of interest with a preferential coupling to a tunable environment: the atoms. By controlling the environment, i.e., changing the number of atoms coupled to the optical cavity mode, an environment assisted speed-up is realized: the quantum speed of the state re-population in the optical cavity increases with the coupling strength between the optical cavity mode and this non-Markovian environment (the number of atoms).

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
National Science Foundation (NSF), Washington, DC (United States)
Grant/Contract Number:
1307416; 11304190; AC52-06NA25396; 12
OSTI ID:
1215632
Alternate ID(s):
OSTI ID: 1184428
Report Number(s):
LA-UR-14-28946; PRLTAO; TRN: US1600415
Journal Information:
Physical Review Letters, Vol. 114, Issue 23; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 93 works
Citation information provided by
Web of Science

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Cited By (28)

Controlling Decoherence Speed Limit of a Single Impurity Atom in a Bose-Einstein-Condensate Reservoir journal January 2019
Witnessing Quantum Speedup through Mutual Information journal September 2019
Quantum speed limits—primer, perspectives, and potential future directions journal July 2016
Speedup of quantum evolution of multiqubit entanglement states journal June 2016
Control quantum evolution speed of a single dephasing qubit for arbitrary initial states via periodic dynamical decoupling pulses journal March 2017
Controlling open quantum systems: tools, achievements, and limitations journal May 2016
Geometric quantum speed limits: a case for Wigner phase space journal October 2017
Precursors of non-Markovianity journal May 2019
Quantum speed limits: from Heisenberg’s uncertainty principle to optimal quantum control journal October 2017
Hybrid quantum-classical simulation of quantum speed limits in open quantum systems journal April 2019
Mechanism for quantum speedup in open quantum systems journal February 2016
Quantum dynamical speedup in a nonequilibrium environment journal May 2017
Role of non-Markovianity and backflow of information in the speed of quantum evolution journal July 2017
Hierarchical-environment-assisted non-Markovian speedup dynamics control journal August 2018
Entangling protocols due to non-Markovian dynamics journal February 2019
Quantum speed limit for a central system in Lipkin-Meshkov-Glick bath journal February 2016
Driving the quantum speed limit of a central spin model by pulse control journal July 2018
Influence of weak measurement on uncertainty relations in a quantum dissipative system journal January 2019
Quantum Zeno effect in correlated qubits journal September 2018
Solvable multistate model of Landau-Zener transitions in cavity QED text January 2016
Mechanism for quantum speedup in open quantum systems text January 2016
Trade-off between speed and cost in shortcuts to adiabaticity text January 2016
Geometric quantum speed limits: a case for Wigner phase space text January 2017
Quantum speed limits: from Heisenberg's uncertainty principle to optimal quantum control text January 2017
Entangling protocols due to non-Markovian dynamics text January 2017
Hybrid quantum-classical simulation of quantum speed limits in open quantum systems text January 2018
Precursors of non-Markovianity text January 2019
Information backflow as a resource for entanglement text January 2019