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Quantum Information Processing with Quantum Zeno Many-Body Dynamics
[article]
2009
arXiv
pre-print
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We show how the quantum Zeno effect can be exploited to control quantum many-body dynamics for quantum information and computation purposes. ...
Thus, we argue that the main ingredients for universal quantum computation can be achieved in a spin chain with an always-on and constant many-body Hamiltonian. ...
In this work we aim at employing many-body dynamics for quantum information and computation purposes; by encoding qubits in the many-body system, the dynamics may be rendered on demand to move, transform ...
arXiv:0801.1959v2
fatcat:gbwnss2y3zbp5b3czevtaxwlbm
Engineered Dissipation for Quantum Information Science
[article]
2022
arXiv
pre-print
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that enables quantum information processing on a practical scale. ...
Quantum information processing relies on precise control of non-classical states in the presence of many uncontrolled environmental degrees of freedom -- requiring careful orchestration of how the relevant ...
Zeno effects and Zeno dynamics The act of measuring a quantum system can strongly influence its dynamics. ...
arXiv:2202.05280v1
fatcat:wee5cmdczngl7bjsq5ui7eqgci
Finite-size scalings in measurement-induced dynamical phase transition
[article]
2021
arXiv
pre-print
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We consider an interacting one-dimensional fermionic system and study the fate of the many-body quantum Zeno transition if the system is allowed to evolve repetitively under the unitary dynamics, followed ...
Repetitive measurements can cause freezing of dynamics of a quantum state, which is known as quantum Zeno effect. ...
In particular, quantum Zeno effects in quantum many-body systems have drawn significant attention in recent times [19] [20] [21] [22] [23] . ...
arXiv:2107.14647v2
fatcat:7xt5lz2j5jdhpgr2y566acg3vu
Many-Body Quantum Zeno Effect and Measurement-Induced Subradiance Transition
[article]
2021
arXiv
pre-print
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Here we show that for a many-body system evolving under competing unitary evolution and variable-strength measurements the onset of the Zeno effect takes the form of a sharp phase transition. ...
It is well known that by repeatedly measuring a quantum system it is possible to completely freeze its dynamics into a well defined state, a signature of the quantum Zeno effect. ...
Acknowledgements We thanks useful discussions with L. Mazza and R. Fazio. The computations were performed on the Collége de France IPH computer cluster. ...
arXiv:2011.11620v3
fatcat:dkeip3p2fbfkdkvktaofwx6bb4
Many-Body Quantum Zeno Effect and Measurement-Induced Subradiance Transition
2021
Quantum
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Here we show that for a many-body system evolving under competing unitary evolution and variable-strength measurements the onset of the Zeno effect takes the form of a sharp phase transition. ...
It is well known that by repeatedly measuring a quantum system it is possible to completely freeze its dynamics into a well defined state, a signature of the quantum Zeno effect. ...
Acknowledgements We thanks useful discussions with L. Mazza and R. Fazio. The computations were performed on the Collége de France IPH computer cluster. ...
doi:10.22331/q-2021-08-19-528
fatcat:4p22fl6hcveurfc4ngxzr7xzqy
Effect of different filling tendencies on the spatial quantum Zeno effect
2018
Scientific Reports
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of a quantum many-body system out of equilibrium. ...
Our finding shows the recent capability of combining the Bose-Einstein condensate with an electron beam offers a great opportunity for studying the spatial quantum Zeno effect, and more generally the dynamics ...
for studying the spatial quantum Zeno effect, and the dynamics of a quantum many-body system out of equilibrium. ...
doi:10.1038/s41598-018-27605-9
pmid:29980689
pmcid:PMC6035230
fatcat:hwcofhwv6bcb3ehloekjpreznu
Measurement-Induced Localization of an Ultracold Lattice Gas
2015
Physical Review Letters
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In addition, this demonstrates a powerful technique for the control of an interacting many-body quantum system via spatially resolved measurement backaction. ...
This suppression of coherent tunneling is a manifestation of the Quantum Zeno effect. ...
of isolated quantum many-body systems [19] , and the creation of novel many-particle states of matter. ...
doi:10.1103/physrevlett.115.140402
pmid:26551797
fatcat:42s7olxzejctrfiot7zkiotavm
(Anti-)Zeno-based dynamical control of the unfolding of quantum Darwinism
[article]
2019
arXiv
pre-print
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We combine the collisional picture for open system dynamics and the control of the rate of decoherence provided by the quantum (anti-)Zeno effect to illustrate the temporal unfolding of the redundant encoding ...
of information into a multipartite environment that is at the basis of Quantum Darwinism, and to control it. ...
A way of doing this is by engineering a Zeno-like dynamics for the ancillas, which effectively freezes their dynamics during the collisional process. ...
arXiv:1907.13157v1
fatcat:hbh5sseivrhexek2xdjlchyony
Transport in quantum chains under strong monitoring
2018
Europhysics letters
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2018 pre-print arXiv:1802.05048v1 fatcat:qhni3dqnuva2bfmh27e32u2kui
Beyond the Zeno freezing and on long time scales, a new dynamics emerges in the form of a Markov process. ...
We study the transport properties of quantum 1D systems under strong monitoring. The quantum Zeno effect inhibits transport and induces localization. ...
In this study, we wish to explore some aspects of many-body quantum systems and of transport dynamics under continuous and strong measurements. ...
doi:10.1209/0295-5075/121/60006
fatcat:t647u6x5ybba7ggoqa6l7z7rfu
Simultaneous excitation of two noninteracting atoms with time-frequency correlated photon pairs in a superconducting circuit
[article]
2020
arXiv
pre-print
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This work provides a new route in synthesizing many-body interaction Hamiltonian and coherent control of entanglement. ...
We further demonstrate the quantum Zeno effect of inhibiting the simultaneous two-atom excitation by continuously measuring whether the first photon is emitted. ...
We also show that this many-body dynamics can be coherently controlled by the quantum Zeno effect [24] [25] [26] . ...
arXiv:2004.07531v1
fatcat:hohr3igzt5cwvk36hu6zbrmmau
Quantum measurement-induced dynamics of many-body ultracold bosonic and fermionic systems in optical lattices
2016
Physical Review A
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2016 pre-print arXiv:1503.08710v2 fatcat:fdpq26mvjvhyjbuuiool2azjpqOther Versions
Such a quantum optical approach introduces into many-body physics novel processes, objects, and methods of quantum engineering, including the design of many-body entangled environments for open systems ...
entanglement and correlated tunneling, as well as selective suppression and enhancement of dynamical processes beyond the projective limit of the quantum Zeno effect. ...
with standard local processes in a many-body system. ...
doi:10.1103/physreva.93.023632
fatcat:sbwbqfwvcbb5vll6gp62gz6uva
Simulating Zeno physics by a quantum quench with superconducting circuits
2014
Physical Review A. Atomic, Molecular, and Optical Physics
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2013 pre-print arXiv:1310.6558v1 fatcat:lrolcliwazbatltba4wqjik7teOther Versions
Using periodic quantum quenches, we present an experimentally accessible scheme to simulate the quantum Zeno and anti-Zeno effects in an open quantum system of a single superconducting qubit interacting ...
with an array of transmission line resonators. ...
Many important issues, for example the equilibration process and the relationship between thermalization and the integrability of many-body systems under quantum quench [4] [5] [6] [7] [8] [9] [10] [11 ...
doi:10.1103/physreva.89.060101
fatcat:tr57lcp7efhitdgv7d3iromlfq
The Quantum-Classical and Mind-Brain Linkages: The Quantum Zeno Effect in Binocular Rivalry
[article]
2007
arXiv
pre-print
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A quantum mechanical theory of the relationship between perceptions and brain dynamics based on von Neumann's theory of measurments is applied to a recent quantum theoretical treatment of binocular rivaly ...
that makes essential use of the quantum Zeno effect to give good fits to the complex available empirical data. ...
Within the von Neumann dynamical framework this intervention can, with the aid of quantum Zeno effect, cause a person's brain to behave in a way that causes the body to act in accord with the person's ...
arXiv:0710.5569v2
fatcat:hudl4bgkazgqrlas4plnbyyspq
Acting in the World: A Physical Model of Free Choice
2018
Journal of Cognitive Science
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Neurological correlates of many cognitive functions are being discovered, yielding advances in medicine and education. ...
The hypothesized mechanism involves automatic generation by the brain of templates for action, which are held in place by rapidly repeated quantum self-measurement events. ...
Discussions with Ken Augustyn and other participants at the August 2017 Workshop on Biological Mentality were helpful in refining the ideas expressed in this paper. ...
doi:10.17791/jcs.2018.19.2.125
fatcat:hteaz3zesnelbeiej6lerw24p4
Bohm´s Super Implicate Order and the Quantum Zeno Effect
2022
Dev Sanskriti Interdisciplinary International Journal
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The sum total of the time as well as the energy intervals of the single steps should be finite, from which a quantum Zeno effect can be derived. ...
With each implication step, the measure of wholeness increases, which is introduced here as an additional dimension x5. ...
This process, known as the quantum Zeno effect ( 14 ), leads to a slowing down of the development of the corresponding layer of the underlying reality with increasing n and thus deeper iteration steps ...
doi:10.36018/dsiij.v19i.241
fatcat:pk65tlwnmvee3perntgrqnoyze
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