English
Related papers

Related papers: Entanglement dynamics of non-inertial observers in…

200 papers

The effect of decoherence on a qubit-qutrit system under the influence of global and multilocal decoherence in non-inertial frames is investigated. It is shown that the entanglement sudden death (ESD) can be avoided in non-inertial frames…

Quantum Physics · Physics 2011-11-04 M. Ramzan

We study the effect of decoherence on a qubit-qutrit system under the influence of global, local and multilocal decoherence in non-inertial frames. We show that the entanglement sudden death can be avoided in non-inertial frames in the…

Quantum Physics · Physics 2012-04-10 M. Ramzan , M. K. Khan

We study the effects of decoherence on the entanglement generated by Unruh effect in accelerated frames by using various combinations of an amplitude damping channel, a phase damping channel and a depolarizing channel in the form of…

Quantum Physics · Physics 2013-03-11 Salman Khan , M. K. Khan

Decoherence effect on multipartite entanglement in non-inertial frames is investigated. GHZ state is considered to be shared between the partners with one partner in inertial frame whereas the other two in accelerated frames. One-tangle and…

Quantum Physics · Physics 2013-02-05 M. Ramzan

We study the effects of decoherence on the entanglement generated by Unruh effect in noninertial frames by using bit flip, phase damping and depolarizing channels. It is shown that decoherence strongly influences the initial state…

Quantum Physics · Physics 2012-02-13 Salman Khan , M. K. Khan

The system-environment dynamics of noninertial systems is investigated. It is shown that for the amplitude damping channel: (i) the biggest difference between the decoherence effect and the Unruh radiation on the dynamics of the…

Quantum Physics · Physics 2015-05-28 Jieci Wang , Jiliang Jing

Entanglement behavior for different classes of two qubit systems passing through a generalized amplitude damping channel is discussed. The phenomena of sudden single, double changes and the sudden death of entanglement are reported for…

Quantum Physics · Physics 2015-06-18 Nasser Metwally

The dynamics of entanglement in some hybrid qubit-qutrit systems under the influence of global, collective, local and multilocal depolarizing noise is studied. It is shown that the depolarizing noise can be used to induce entanglement. A…

Quantum Physics · Physics 2013-11-26 Salman Khan

In this paper, we study entanglement dynamics of a two-qubit extended Werner-like state locally interacting with independent noisy channels, i.e., amplitude damping, phase damping and depolarizing channels. We show that the purity of…

Quantum Physics · Physics 2015-05-13 C. J. Shan , J. B. Liu , W. W. Cheng , T. K. Liu , Y. X. Huang , H. Li

Entanglement dynamics of a qutrit-qutrit system under the influence of global, local and multilocal decoherence introduced by phase flip, trit flip and trit phase flip channels is investigated. The negativity and realignment criterion are…

Quantum Physics · Physics 2011-11-04 M. Ramzan

We investigate the dynamics of entanglement for a two-parameter class of states in a hybrid qubit-qutrit system under the influence of various dissipative channels. Our results show that entanglement sudden death (ESD) is a general…

Quantum Physics · Physics 2015-05-30 Hai-Rui Wei , Bao-Cang Ren , Tao Li , Ming Hua , Fu-Guo Deng

Entanglement of Dirac fields has been studied and it is known to decrease with increasing acceleration when a quantum state is shared between users in non-inertial frames. A new form of an entangled vacuum state observed by the accelerated…

Quantum Physics · Physics 2022-06-30 Leyli Esmaelifar , Behrouz Mirza , Zahra Ebadi

The one-tangle and {\pi}-tangle are used to quantify the entanglement of a tripartite GHZ state in noninertial frames when the system interacts with a noisy environment in the form of phase damping, phase flip and bit flip channel. It is…

Quantum Physics · Physics 2013-02-14 Salman Khan

We analyze the entanglement between two modes of a free Dirac field as seen by two relatively accelerated parties. The entanglement is degraded by the Unruh effect and asymptotically reaches a non-vanishing minimum value in the infinite…

Quantum Physics · Physics 2009-11-13 P. M. Alsing , I. Fuentes-Schuller , R. B. Mann , T. E. Tessier

We estimate the role of noise in the formation of entanglement and in the appearance of single- and two-electron interference in systems of coupled one-dimensional channels semiconductors. Two cases are considered: a single-particle…

Mesoscale and Nanoscale Physics · Physics 2012-12-19 Fabrizio Buscemi , Paolo Bordone , Andrea Bertoni

We study the effect of quantum memory in non-inertial frames under the influence of amplitude damping, depolarizing, phase flip and bit-phase flip channels. It is shown that the entanglement of initial state is heavily influenced by quantum…

Quantum Physics · Physics 2011-03-08 M. Ramzan , M. K. Khan

Quantum decoherence, which appears when a system interacts with its environment in an irreversible way, plays a fundamental role in the description of quantum-to-classical transitions and has been successfully applied in some important…

General Relativity and Quantum Cosmology · Physics 2015-03-17 Jieci Wang , Jiliang Jing

We use the quantum jump approach to study the entanglement dynamics of a quantum register, which is composed of two or three dipole-dipole coupled two-level atoms, interacting with a common environment. Our investigation of entanglement…

Quantum Physics · Physics 2009-11-13 Jun-Hong An , Shun-Jin Wang , Hong-Gang Luo

We investigate the amount of entanglement and quantum discord extractable from a two mode squeezed state as considered from the viewpoint of two observers, Alice (inertial) and Rob (accelerated). We find that using localized modes produces…

Quantum Physics · Physics 2013-03-27 Jason Doukas , Eric G. Brown , Andrzej Dragan , Robert Mann

The disentangling effect of repeated applications of the bit flip channel (I\otimes\sigma_x) on bipartite qubit systems is analyzed. It is found that the rate of loss of entanglement is not uniform over all states. The distillable…

Quantum Physics · Physics 2007-05-23 Kovid Goyal
‹ Prev 1 2 3 10 Next ›