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pro vyhledávání: '"Chakraborty, Soumya"'
Our work deals with the dynamical system analysis of quintessence dark energy scalar field model with exponential potential. A dynamical system analysis has been applied at the background level. Using suitable transformation of variables, the evoluti
Externí odkaz:
http://arxiv.org/abs/2406.10692
Optomagnetic forces on YIG/YFeO3 microspheres levitated in chiral hollow-core photonic crystal fibre
Autor:
Chakraborty, Soumya, Wong, Gordon K. L., Oda, Ferdi, Wachter, Vanessa, Kusminskiy, Silvia Viola, Yokosawa, Tadahiro, Hübner, Sabine, Zubiri, Benjamin Apeleo, Spiecker, Erdmann, Distaso, Monica, Russell, Philip St. J., Joly, Nicolas Y.
We explore a magnetooptomechanical system consisting of a single magnetic microparticle optically levitated within the core of a helically twisted single-ring hollow-core photonic crystal fibre. We use newly-developed magnetic particles that have a c
Externí odkaz:
http://arxiv.org/abs/2404.16182
Autor:
Chakraborty, Soumya, Samanta, Arup
The manuscript theoretically discusses various important aspects for donor atom based single qubit operations in silicon (Si) quantum computer architecture at room temperature using a single nitrogen (N) deep-donor close to the Si/SiO2 interface. Qua
Externí odkaz:
http://arxiv.org/abs/2401.11475
Robust estimation under multivariate normal (MVN) mixture model is always a computational challenge. A recently proposed maximum pseudo \b{eta}-likelihood estimator aims to estimate the unknown parameters of a MVN mixture model in the spirit of minim
Externí odkaz:
http://arxiv.org/abs/2205.05405
We report finite-bias characteristics of electrical transport through phosphorus donors in silicon nanoscale transistors, in which we observe inelastic-cotunneling current in the Coulomb blockade region. The cotunneling current appears like a resonan
Externí odkaz:
http://arxiv.org/abs/2204.03890
Publikováno v:
Phys.Dark Univ. 40 (2023) 101210
In this work, considering the background dynamics of flat Friedmann-Lemaitre-Robertson-Walker(FLRW) model of the universe, we investigate a scalar field model as dark energy candidate which interacting with the pressure-less dust as dark matter from
Externí odkaz:
http://arxiv.org/abs/2101.04496
The present work is an example of the application of the dynamical system analysis in the context of cosmology. Here cosmic evolution is considered in the background of homogeneous and isotropic flat Friedmann-Lema\^{i}tre-Robertson-Walker space-time
Externí odkaz:
http://arxiv.org/abs/2011.09842
Publikováno v:
Econometrics and Statistics (2023)
As in other estimation scenarios, likelihood based estimation in the normal mixture set-up is highly non-robust against model misspecification and presence of outliers (apart from being an ill-posed optimization problem). A robust alternative to the
Externí odkaz:
http://arxiv.org/abs/2009.04710
Akademický článek
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Publikováno v:
In Physics of the Dark Universe May 2023 40