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20102026
most citedThe effects of minimal length and maximal momentum on the transition rate of ultra cold neutrons in gravitational field

177 citations

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Showing 2016Show all

5 papers · 1 filter

cond-mat.str-el2016★ 1 cited

Zero-temperature study of a tetrameric spin- chain in a transverse magnetic field

J. Vahedi, M. Shabani Arbousara, S. Mahdavifar

We consider an alternating Heisenberg spin- antiferromagnetic-ferromagnetic () chain with the space modulated dominant antiferromagnetic exchange and anisotropic ferroma…

cond-mat.mes-hall2016★ 9 cited

Spin and charge thermopower effects in the ferromagnetic graphene junction

Javad Vahedi, Fattaneh Barimani

Using wave function matching approach and employing the Landauer-Buttiker formula a ferromagnetic graphene junction with a temperature gradient across the system, is studied. We ca…

cond-mat.mes-hall2016★ 2 cited

Shot Noise of Charge and Spin Current of a Quantum Dot Coupled to Semiconductor Electrodes

Zahra Sartipi, Javad Vahedi

Based on the scattering matrix theory and non-equilibrium green function method, we have investigated the fluctuations of charge and spin current of the systems which consists of a…

cond-mat.stat-mech2016★ 13 cited

Quantum Chaos in the Heisenberg Spin Chain: the Effect of Dzyaloshinskii-Moriya Interaction

J. Vahedi, A. Ashouri, S. Mahdavifar

Using one-dimensional spin-1/2 systems as prototypes of quantum many-body systems, we study the emergence of quantum chaos. The main purpose of this work is to answer the following…

cond-mat.mes-hall2016★ 1 cited

Spin Transfer Torque in the Semiconductor/Ferromagnetic Structure in the Presence of Rashba Effect

Javad Vahedi, Sahar Ghasab Satoory

Spin transfer torque in magnetic structures occurs when the transverse component of the spin current that flows from the nonmagnetic medium to ferromagnetic medium are absorbed by…