66 citations · 503 across the 28 of their papers we have counts for
5 papers · 1 filter
Generation of n-qubit W states using Spin Torque
Amritesh Sharma, Ashwin A. Tulapurkar
We examine here a scheme to generate a W state of an n-qubit system with all-to-all pairwise exchange interaction between n qubits. This relies on sharing of superposed excitations…
Investigation of the phase separation property in LaPrCaMnO manganite
Deepak Kumar, Ashwin A. Tulapurkar, C. V. Tomy
We report a comprehensive investigation of La0.2Pr0.4Ca0.4MnO3 to clarify the micrometre scale phase separation phenomenon in the mixed valent manganite (La,Pr,Ca)MnO3. The compoun…
Band-pass Magnetic Tunnel Junction based Magnetoresistive Random Access Memory
Abhishek Sharma, Ashwin Tulapurkar, Bhaskaran Muralidharan
We propose spin transfer torque--magnetoresistive random access memory (STT-MRAM) based on magneto-resistance and spin transfer torque physics of band-pass spin filtering. Utilizin…
Giant enhancement of Piezo-resistance in ballistic graphene due to transverse electric fields
Abhinaba Sinha, Abhishek Sharma, Ashwin Tulapurkar +2
We investigate the longitudinal and transverse piezoresistance effect in suspended graphene in the ballistic regime. Utilizing parametrized tight binding Hamiltonian from ab initio…
Skyrmion Based Spin-Torque Nano-Oscillator
Debasis Das, Bhaskaran Muralidharan, Ashwin Tulapurkar
Using micromagnetic simulation, we investigate the self-sustained oscillation of magnetic skyrmion in a ferromagnetic circular nanodot, driven by spin-torque which is generated fro…