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88 papers · 1 filter
Switching Characteristics of Electrically Connected Stochastically Actuated Magnetic Tunnel Junction Nanopillars
Dairong Chen, Ahmed Sidi El Valli, Jonathan Z. Sun +3
We investigate the stochastic dynamics of nanoscale perpendicular magnetic tunnel junctions (pMTJs) and the correlations that arise when they are electrically coupled. Individual j…
Superparamagnetic and Stochastic-Write Magnetic Tunnel Junctions for High-Speed True Random Number Generation in Advanced Computing
Jonathan Z. Sun, Christopher Safranski, Siyuranga Koswata +2
We review two magnetic tunnel junction (MTJ) approaches for compact, low-power, CMOS-integrated true random number generation (TRNG). The first employs passive-read, easy-plane sup…
Universal Crossover in the Three-Channel Charge Kondo Model at High Transparency
Nicolas Paris, Nicolas Dupuis, Christophe Mora
Quantum impurity models provide a central framework for correlated electron physics, with quantum dots enabling controlled experimental realizations. While their weak-coupling beha…
Decoupling thermoelectric coefficients of multilayer graphene by nanomeshing
Mehrdad Rahimi, Nunzia Lubertino, Roberto Bellelli +8
Nanostructuring materials at small scales enables control over their physical properties, revealing behaviors not observed at larger dimensions. This strategy is particularly effec…
Robustness of real-space topology in moiré systems
Kryštof Kolář, Kang Yang, Felix von Oppen +1
The appearance of fractional Chern insulators in moiré systems can be rationalized by the presence of a fictitious magnetic field associated with the spatial texture of layer-resol…
Nonlinear Terahertz Electroluminescence from Dirac Landau Polaritons
B. Benhamou-Bui, C. Consejo, S. S. Krishtopenko +15
We report Dirac Landau polaritons observed by terahertz (THz) magnetoreflectivity spectroscopy, demonstrating strong coupling between cyclotron transitions of two-dimensional (2D)…