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Quantum Information Processing with Quantum Zeno Many-Body Dynamics [article]

Alex Monras, Oriol Romero-Isart
2009 arXiv   pre-print
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]

Patrick M. Harrington, Erich Mueller, Kater Murch
2022 arXiv   pre-print
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]

Ranjan Modak, Debraj Rakshit, Ujjwal Sen
2021 arXiv   pre-print
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]

Alberto Biella, Marco Schiró
2021 arXiv   pre-print
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

Alberto Biella, Marco Schiró
2021 Quantum  
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

Xin Zhang, Chang Xu, Zhongzhou Ren, Jie Peng
2018 Scientific Reports  
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

Y. S. Patil, S. Chakram, M. Vengalattore
2015 Physical Review Letters  
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]

Salvatore Lorenzo, Mauro Paternostro, G. Massimo Palma
2019 arXiv   pre-print
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

D. Bernard, T. Jin, O. Shpielberg
2018 Europhysics letters  
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]

Wenhui Ren, Wuxin Liu, Chao Song, Hekang Li, Qiujiang Guo, Zhen Wang, Dongning Zheng, Girish S. Agarwal, Marlan O. Scully, Shi-Yao Zhu, H. Wang, Da-Wei Wang
2020 arXiv   pre-print
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

Gabriel Mazzucchi, Wojciech Kozlowski, Santiago F. Caballero-Benitez, Thomas J. Elliott, Igor B. Mekhov
2016 Physical Review A  
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

Qing-Jun Tong, Jun-Hong An, L. C. Kwek, Hong-Gang Luo, C. H. Oh
2014 Physical Review A. Atomic, Molecular, and Optical Physics  
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]

Henry P. Stapp
2007 arXiv   pre-print
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

Kathryn Blackmond Laskey
2018 Journal of Cognitive Science  
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

Marcus Schmieke
2022 Dev Sanskriti Interdisciplinary International Journal  
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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