Zobrazeno 1 - 10
of 286
pro vyhledávání: '"Chaudhuri, Rajat K."'
Autor:
Chaudhuri, Rajat K1 (AUTHOR) rkchaudh@iiap.res.in, Chattopadhyay, Sudip2 (AUTHOR)
Publikováno v:
Journal of Chemical Sciences. Sep2023, Vol. 135 Issue 3, p1-12. 12p.
Publikováno v:
J. Phys. B 41, 035005 (2008)
The effects of parity and time reversal violating potential, in particular the tensor-pseudotensor electron nucleus interaction are studied. We establish that selected terms representing the interplay of these effects and the residual Coulomb interac
Externí odkaz:
http://arxiv.org/abs/0711.1047
Publikováno v:
J. Phys.: Conf. Ser. 80, 012049 (2007)
The electric dipole moments of closed-shell atoms are sensitive to the parity and time-reversal violating phenomena in the nucleus. The nuclear Schiff moment is one such property, it arises from the parity and time reversal violating quark-quark inte
Externí odkaz:
http://arxiv.org/abs/0710.4045
Autor:
Sur, Chiranjib, Chaudhuri, Rajat K
Publikováno v:
Phys. Rev. A 76, 032503 (2007)
Searching for an accurate optical clock which can serve as a better time standard than the present day atomic clock is highly demanding from several areas of science and technology. Several attempts have been made to built more accurate clocks with d
Externí odkaz:
http://arxiv.org/abs/0707.3587
Autor:
Sur, Chiranjib, Chaudhuri, Rajat K
We study the branching ratios of the allowed and forbidden radiative transitions among the first few (9) fine structure levels of O VI using relativistic coupled cluster theory. We find irregular patterns for a number of transitions with in $n$-compl
Externí odkaz:
http://arxiv.org/abs/0707.3586
Autor:
Sur, Chiranjib, Chaudhuri, Rajat K
Publikováno v:
Chem. Phys. Lett., vol 442, 150 (2007)
In this article we study the effects of higher body excitations in the relativistic CC calculations for atoms and ions with one valence electron using Fock-space CCSD, CCSD(T) and its unitary variants. The present study demonstrates that CCSD(T) esti
Externí odkaz:
http://arxiv.org/abs/0707.3585
Autor:
Sur, Chiranjib, Chaudhuri, Rajat K
Publikováno v:
Phys. Rev. A, 76, 012509 (2007)
We report the forbidden $6s^{2} ^{1}S_{0}\longrightarrow6s5d ^{3}D_{1}$ magnetic-dipole transition amplitude computed using multi-reference Fock-space coupled-cluster theory. Our computed transition matrix element ($1.34\times10^{-4}\mu_{B}$) is in e
Externí odkaz:
http://arxiv.org/abs/0707.3576
Demands from several areas of science and technology have lead to a worldwide search for accurate optical clocks with an uncertainty of 1 part in $10^{18}$, which is $10^{3}$ times more accurate than the present day cesium atomic clocks based on micr
Externí odkaz:
http://arxiv.org/abs/physics/0702059
Autor:
Gopakumar, Geetha, Sur, Chiranjib, Das, Bhanu Pratap, Chaudhuri, Rajat K., Mukherjee, D., Hirao, Kimihiko
The connections between the Random Phase Approximation (RPA) and Many-Body Perturbation Theory (MBPT) and its all order generalisation, the Coupled- Cluster Theory (CCT) have been explored. Explicit expressions have been derived for the electric dipo
Externí odkaz:
http://arxiv.org/abs/physics/0511205
We report the results of our calculations of the atomic electric dipole moments of cesium and thallium arising from the electron-nucleus scalar-pseudoscalar interaction. The calculations are based on the all order relativistic coupled-cluster theory.
Externí odkaz:
http://arxiv.org/abs/physics/0509070