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Related papers: Entanglement dynamics of a qubit-qutrit system in …

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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

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

Effect of decoherence and correlated noise on the entanglement of X-type state of the Dirac fields in the non-inertial frame is investigated. A two qubit X-state is considered to be shared between the partners where Alice is in inertial…

Quantum Physics · Physics 2013-01-15 M. Ramzan

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

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

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 investigate the entanglement dynamics of two interacting qubits in a common vacuum environment. The inevitable environment interaction leads to entanglement sudden death (ESD) in a two qubit entangled state system. The entanglement…

Quantum Physics · Physics 2018-10-11 Namitha C , S V M Satyanarayana

The unavoidable and irreversible interaction between an entangled quantum system and its environment causes decoherence of the individual qubits as well as degradation of the entanglement between them. Entanglement sudden death (ESD) is the…

Quantum Physics · Physics 2017-03-06 Ashutosh Singh , Siva Pradyumna , A. R. P. Rau , Urbasi Sinha

The inevitable dissipative interaction of an entangled quantum system with its environment causes degradation in quantum correlations present in the system. This can lead to a finite-time disappearance of entanglement, which is known as…

Quantum Physics · Physics 2022-07-22 Ashutosh Singh , Urbasi Sinha

We demonstrate the existence of entanglement sudden death (ESD), the complete loss of entanglement in finite time, in qubit-qutrit systems. In particular, ESD is shown to occur in such systems initially prepared in a one-parameter class of…

Quantum Physics · Physics 2009-11-13 Kevin Ann , Gregg Jaeger

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

We study competition between the dissipative and coherent effects in the entanglement dynamics of two qubits. The coherent interactions are needed for designing logic gate operations with systems like ion traps, semicondutor quantum dots…

Quantum Physics · Physics 2009-11-23 Sumanta Das , G S Agarwal

Decoherence serves as a major obstacle to achieving higher efficiency in all quantum technologies. Thus, controlling and mitigating decoherence is currently an active research direction. In this work, we experimentally manipulate…

We examine the phenomenon of {\it entanglement sudden death} (ESD) for $(2 \times 3)$-dimensional systems. As for $2 \times 2$ systems, the negativity vanishes in finite time for some entangled pure as well as mixed states. While locally…

Quantum Physics · Physics 2007-10-12 Mazhar Ali , A. R. P. Rau , Kedar Ranade

Quantum coherence, quantum entanglement and quantum nonlocality are important resources in quantum information precessing. However, decoherence happens when a quantum system interacts with the external environments. We study the dynamical…

Quantum Physics · Physics 2023-09-06 Tinggui Zhang , Hong Yang , Shao-Ming Fei

In the present article, the robustness of entanglement in two qubits maximally entangled mixed states (MEME) have been studied under quantum decoherence channels. Here we consider bit flip, phase flip, bit-phase-flip, amplitude damping,…

Quantum Physics · Physics 2020-01-08 Kapil K. Sharma , Vladimir P. Gerdt

Quantum entanglement manifests as a distinctive correlation between particles that transcends classical boundaries when their quantum states cannot be described independently. On the other hand, as quantum systems interact with their…

Quantum Physics · Physics 2025-08-21 Samuel Marquez Gonzalez
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