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Information Journal Paper

Title

Dynamical phase transition in n-cluster spin models

Pages

  29-39

Abstract

 In this paper, we consider a spin chain with cluster interaction which is under the transverse magnetic field. We also study its dynamical behavior as the magnetic field changes suddenly. This system has an exact solution by means of Jordan-Wigner transformations. We show that if the magnetic field changes in such a way that its initial and finial value are in two different equilibrium phases, then the rate function of return probability diverges periodically in time. In case this divergence is in time, it is called dynamical Phase transition. If the quench has been done within the same phase, dynamical Phase transition will not occur. Furthermore, we have shown that Fisher zero lines cross the imaginary axes when the dynamical Phase transition occurs.

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    • Cite

    APA: Copy

    Ansari, Saeid, & Jafari, Rouhollah. (2019). Dynamical phase transition in n-cluster spin models. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 9(3 (22) ), 29-39. SID. https://sid.ir/paper/401513/en

    Vancouver: Copy

    Ansari Saeid, Jafari Rouhollah. Dynamical phase transition in n-cluster spin models. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2019;9(3 (22) ):29-39. Available from: https://sid.ir/paper/401513/en

    IEEE: Copy

    Saeid Ansari, and Rouhollah Jafari, “Dynamical phase transition in n-cluster spin models,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 9, no. 3 (22) , pp. 29–39, 2019, [Online]. Available: https://sid.ir/paper/401513/en

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