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Volume 12, Issue 1
A Numerical Study of Quantum Decoherence

Riccardo Adami & Claudia Negulescu

DOI: 10.4208/cicp.011010.010611a

Commun. Comput. Phys., 12 (2012), pp. 85-108.

Published online: 2012-12

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  • Abstract

The present paper provides a numerical investigation of the decoherence effect induced on a quantum heavy particle by the scattering with a light one. The time dependent two-particle Schrödinger equation is solved by means of a time-splitting method. The damping undergone by the non-diagonal terms of the heavy particle density matrix is estimated numerically, as well as the error in the Joos-Zeh approximation formula. 

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@Article{CiCP-12-85, author = {Riccardo Adami and Claudia Negulescu}, title = {A Numerical Study of Quantum Decoherence}, journal = {Communications in Computational Physics}, year = {2012}, volume = {12}, number = {1}, pages = {85--108}, abstract = {

The present paper provides a numerical investigation of the decoherence effect induced on a quantum heavy particle by the scattering with a light one. The time dependent two-particle Schrödinger equation is solved by means of a time-splitting method. The damping undergone by the non-diagonal terms of the heavy particle density matrix is estimated numerically, as well as the error in the Joos-Zeh approximation formula. 

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.011010.010611a}, url = {http://global-sci.org/intro/article_detail/cicp/7285.html} }
TY - JOUR T1 - A Numerical Study of Quantum Decoherence AU - Riccardo Adami & Claudia Negulescu JO - Communications in Computational Physics VL - 1 SP - 85 EP - 108 PY - 2012 DA - 2012/12 SN - 12 DO - http://doi.org/10.4208/cicp.011010.010611a UR - https://global-sci.org/intro/article_detail/cicp/7285.html KW - AB -

The present paper provides a numerical investigation of the decoherence effect induced on a quantum heavy particle by the scattering with a light one. The time dependent two-particle Schrödinger equation is solved by means of a time-splitting method. The damping undergone by the non-diagonal terms of the heavy particle density matrix is estimated numerically, as well as the error in the Joos-Zeh approximation formula. 

Riccardo Adami and Claudia Negulescu. (2012). A Numerical Study of Quantum Decoherence. Communications in Computational Physics. 12 (1). 85-108. doi:10.4208/cicp.011010.010611a
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