49 citations · 207 across the 22 of their papers we have counts for
22 papers
Mass spectrum in AdS compactification using harmonic analysis
Moumita Patra
In this paper we present the Kaluza-Klein mass spectrum of 0-form and 1-form fields that appear in AdS compactification of supergravity, where, $B_7=U(1)\setmi…
Beyond-ballistic transport in an open quantum ring
Moumita Patra, Bijay Kumar Agarwalla, Santanu K. Maiti
In an open quantum ring (OQR), an asymmetric ring-to-electrode configuration, where the upper and lower arms have unequal lengths, generates antiresonances in the junction transmis…
Circular current in a one-dimensional open quantum ring in the presence of magnetic field and spin-orbit interaction
Moumita Patra
In an open quantum system having a channel in the form of loop geometry, the current inside the channel, namely circular current, and overall junction current, namely transport cur…
Effect of spin-orbit interaction on circular current: Pure spin current phenomena within a ring conductor
Moumita Patra
A net circulating current may appear within a quantum ring under finite bias. We study the characteristic features of the circular current in the presence of Rashba spin-orbit inte…
Superconformal Index for Chern-Simons Quiver Gauge Theories
Moumita Patra
We compute superconformal indices for Chern-Simons quiver gauge theories with a product gauge group , using the method of supersymmetr…
Spin half-adder
Moumita Patra
A new proposal is given to design a spin half-adder in a nano-junction. It is well known that at finite voltage a net circulating current (known as circular current) appears within…
Non-volatile reconfigurable spin logic device: parallel operations
Moumita Patra, Alok Shukla, Santanu K Maiti
A new proposal is given for designing a non-volatile, completely spin logic device, that can be reprogrammed for different functional classical logical operations. We use the conce…
Charges of Monopole Operators in Chern-Simons Quiver Gauge Theories
Moumita Patra
We compute R-charges of the BPS-monopole operators in Chern-Simons quiver gauge theories, along the lines of the work of Benna, Klebanov and Klose…
Bias induced circular spin current: Effects of environmental dephasing and disorder
Moumita Patra, Santanu K. Maiti
Analogous to circular spin current in an isolated quantum loop, bias induced spin circular current can also be generated under certain physical conditions in a nanojunction having…
Controlled charge and spin current rectifications in a spin polarized device
Moumita Patra, Santanu K. Maiti
Quasicrystals have been the subject of intense research in the discipline of condensed matter physics due to their non-trivial characteristic features. In the present work we put f…
Engineering magnetoresistance: A new perspective
Moumita Patra, Santanu K. Maiti, Shreekantha Sil
A new proposal is given to achieve high degree of magnetoresistance (MR) in a magnetic quantum device where two magnetic layers are separated by a non-magnetic (NM) quasiperiodic l…
Simultaneous spin-based Boolean logic operations with re-programmable functionality
Moumita Patra, Santanu K. Maiti
Construction of parallel logic gates at nano-scale level undoubtedly improves the efficiency of computable operations. In this work we put forward a new idea of designing two disti…
All-spin logic operations: Memory device and Reconfigurable computing
Moumita Patra, Santanu K. Maiti
Exploiting spin degree of freedom of electron a new proposal is given to characterize spin-based logical operations using a quantum interferometer that can be utilized as a program…
Charge-based re-programmable logic device with built-in memory: New era in molecular electronics
Moumita Patra, Santanu K. Maiti
We put forward a new proposal of designing charge-based logic devices considering a cyclic molecule that can be programmed and re-programmed for different functional logical operat…
Analytical study of nano-scale logical operations
Moumita Patra, Santanu K. Maiti
A complete analytical prescription is given to perform three basic (OR, AND, NOT) and two universal (NAND, NOR) logic gates at nano-scale level using simple tailor made geometries.…
Logical operations using phenyl ring
Moumita Patra, Santanu K. Maiti
Exploiting the effects of quantum interference we put forward an idea of designing three primary logic gates, OR, AND and NOT, using a benzene molecule. Under a specific molecule-l…
Externally controlled high degree of spin polarization and spin inversion in a conducting junction: Two new approaches
Moumita Patra, Santanu K. Maiti
We propose two new approaches for regulating spin polarization and spin inversion in a conducting junction within a tight-binding framework based on wave-guide theory. The system c…
Classical Monopole Solutions to Chern-Simons-Yang-Mills Theories
Bobby Ezhuthachan, Chethan N. Gowdigere, Moumita Patra
We construct the component action and supersymmetry transformations of the Chern-Simons-Yang-Mills theory that flows in the infra red to the sup…
Modulation of circular current and associated magnetic field in a molecular junction: A new approach
Moumita Patra, Santanu K. Maiti
A new proposal is given to control local magnetic field in a molecular junction. In presence of finite bias a net circular current is established in the molecular ring which induce…
Characteristics of persistent spin current components in a quasi-periodic Fibonacci ring with spin-orbit interactions: Prediction of spin-orbit coupling and on-site energy
Moumita Patra, Santanu K. Maiti
In the present work we investigate the behavior of all three components of persistent spin current in a quasi-periodic Fibonacci ring subjected to Rashba and Dresselhaus spin-orbit…
Unconventional low-field magnetic response of a diffusive ring with spin-orbit coupling
Moumita Patra, Santanu K. Maiti
We report an unconventional behavior of electron transport in the limit of zero magnetic flux in a one-dimensional disordered ring, be it completely random or any correlated one, s…
Anomalous magnetic response of a quasi-periodic mesoscopic ring in presence of Rashba and Dresselhaus spin-orbit interactions
Moumita Patra, Santanu K. Maiti
We investigate the properties of persistent charge current driven by magnetic flux in a quasi-periodic mesoscopic Fibonacci ring with Rashba and Dresselhaus spin-orbit interactions…