Browsing Department of Physics by Title

Browsing Department of Physics by Title

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  • Waldmeier Effect in Stellar Cycles 
    Garg, S.; Karak, B.B.; Egeland, R.; Soon, W.; Baliunas, S. (Institute of Physics Publishing, 2019-12-01)
    One of the most robust features of the solar magnetic cycle is that the stronger cycles rise faster than the weaker ones. This is popularly known as the Waldmeier Effect, which has been known for more than 100 yr. This ...
  • Weak-field limit of f(R) gravity to unify peculiar white dwarfs 
    Kalita, Surajit; Sarmah, Lupamudra (Elsevier B.V., 2022-04-10)
    In recent years, the idea of sub- and super-Chandrasekhar limiting mass white dwarfs (WDs), which are potential candidates to produce under- and over-luminous type Ia supernovae, respectively, has been a key interest in ...
  • Zeno crossovers in the entanglement speed of spin chains with noisy impurities 
    Chaudhari, Abhijit P; Kelly, Shane P.; Valencia, Tortora, Riccardo J; Marino, Jamir (Institute of Physics, 2022-10)
    We use a noisy signal with finite correlation time to drive a spin (dissipative impurity) in the quantum XY spin chain and calculate the dynamics of entanglement entropy (EE) of a bipartition of spins, for a stochastic ...
  • ZrB2 nanoparticles transmuting tribological properties of Al3Zr/AA5052 composite 
    Gautam, G.; Kumar, N.; Mohan, A.; Mohan, S.; Singh, D. (Springer Verlag, 2019-10-01)
    Good work hardenability, moderate to high strength of AA5052 alloy and high melting point and elastic modulus of Al3Zr with limited wear resistance have been the driving force to transmute Al3Zr/AA5052 composite by generations ...

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