Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Mallesh K"'
Autor:
Sudha, Devi, A. R. Usha, Karthik, B. N., Karthik, H. S., H, Akshata Shenoy, Mallesh, K. S., Rao, A. V. Gopala
The Bloch sphere provides an elegant way of visualizing a qubit. Analogous representation of the simplest composite state of two-qubits has attracted significant attention. Here we present a detailed mathematical analysis of the real-matrix parametri
Externí odkaz:
http://arxiv.org/abs/2402.09258
Autor:
Anjali, K., Reena, I., Sudha, Divyamani, B. G., Karthik, H. S., Mallesh, K. S., Devi, A. R. Usha
Publikováno v:
Quantum Inf Process 21, 326 (2022)
The quantum steering ellipsoid inscribed inside the Bloch sphere offers an elegant geometric visualization of two-qubit states shared between Alice and Bob. The set of Bloch vectors of Bob's qubit, steered by Alice via all possible local measurements
Externí odkaz:
http://arxiv.org/abs/2208.03024
Autor:
Sudha, Karthik, H. S., Pal, Rajarshi, Akhilesh, K. S., Ghosh, Sibashish, Mallesh, K. S., Devi, A. R. Usha
Publikováno v:
Phys. Rev. A 102, 052419 (2020)
Canonical forms of two-qubits under the action of stochastic local operations and classical communications (SLOCC) offer great insight for understanding non-locality and entanglement shared by them. They also enable geometric picture of two-qubit sta
Externí odkaz:
http://arxiv.org/abs/2007.00697
We present a study of the properties of Bargmann Invariants (BI) and Null Phase Curves (NPC) in the theory of the geometric phase for finite dimensional systems. A recent suggestion to exploit the Majorana theorem on symmetric SU(2) multispinors is c
Externí odkaz:
http://arxiv.org/abs/1908.03325
Publikováno v:
Quantum Inf Process 19, 35 (2020)
Monogamy relations place restrictions on the shareability of quantum corellations in multipartite states. Being an intrinsic quantum feature, monogamy property throws light on {\emph{residual}} entanglement, an entanglement which is not accounted for
Externí odkaz:
http://arxiv.org/abs/1905.01024
Publikováno v:
Chinese Physics B; Volume 28, Issue No. 26 Page No. 060302 (2019)
The celebrated Majorana representation is exploited to investigate spin squeezing in different classes of pure symmetric states of N qubits with two distinct spinors, namely the Dicke-class of states. On obtaining a general expression for spin squeez
Externí odkaz:
http://arxiv.org/abs/1901.02377
Publikováno v:
Quantum Inf Process (2019) volume 18: page 144
Majorana geometric representation of pure N-qubit states obeying exchange symmetry is em- ployed to explore spin squeezing properties in the family of states with two distinct spinors. Dicke states are characterized by two orthogonal spinors and belo
Externí odkaz:
http://arxiv.org/abs/1803.09143
We revisit the problem of the Lorentz transformation of time-intervals in special relativity. We base our discussion on the time-interval transformation formula $ c\Delta t' = \gamma (c\Delta t - \vec{\beta} \cdot \Delta \vec{r}) $ in which $ \Delta
Externí odkaz:
http://arxiv.org/abs/1105.4085
The notion of spin squeezing involves reduction in the uncertainty of a component of the spin vector below a certain limit. This aspect has been studied earlier for pure and mixed states of definite spin. In this paper, this study has been extended t
Externí odkaz:
http://arxiv.org/abs/quant-ph/0204019
Publikováno v:
J. Phys. A : Math. Gen. 34 (2001) 3293
The notion of spin squeezing has been discussed in this paper using the density matrix formalism. Extending the definition of squeezing for pure states given by Kitagawa and Ueda in an appropriate manner and employing the spherical tensor representat
Externí odkaz:
http://arxiv.org/abs/quant-ph/0010088