Quantum networking with single ions J¨ urgen Eschner
... in the laser frequency or intensity or from magnetic field noise, will lead to non-maximal coherence. Even without these, however, an important fundamental limitation is set by the branching ratio of the upper level: in the case of slow Raman excitation, if the atom may decay back on the red |P i → ...
... in the laser frequency or intensity or from magnetic field noise, will lead to non-maximal coherence. Even without these, however, an important fundamental limitation is set by the branching ratio of the upper level: in the case of slow Raman excitation, if the atom may decay back on the red |P i → ...
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... • The laws of physics are the same in all inertial reference frames. • There is a maximum signaling speed, and it is the speed of light c. ...
... • The laws of physics are the same in all inertial reference frames. • There is a maximum signaling speed, and it is the speed of light c. ...
Shor`s Factoring Algorithm and Modern Cryptography. An Illustration
... difficult to cryptanalyse, however, all substitution and other symmetric key cryptographic systems have a deficiency known as the key distribution problem, as numerous authors have observed19 : Before Alice and Bob can begin exchanging hopefully non-cryptanalysable cryptograms, they must exchange–in ...
... difficult to cryptanalyse, however, all substitution and other symmetric key cryptographic systems have a deficiency known as the key distribution problem, as numerous authors have observed19 : Before Alice and Bob can begin exchanging hopefully non-cryptanalysable cryptograms, they must exchange–in ...
Energy-time entanglement, elements of reality, and local realism Linköping University Post Print
... by the Bell inequality [2]. But the selection of coincident events at the two sites introduces postselection into the data analysis. This need for postselection has been under discussion for some time [3–8], and this paper is intended to review the discussion and to provide some insight into the mat ...
... by the Bell inequality [2]. But the selection of coincident events at the two sites introduces postselection into the data analysis. This need for postselection has been under discussion for some time [3–8], and this paper is intended to review the discussion and to provide some insight into the mat ...
Asymptotics of repeated interaction quantum systems Laurent Bruneau , Alain Joye
... in the operator sense, where π is the rank one projection which projects onto CΩS along (CΩ∗S )⊥ . In fact, we have the following easy estimate (valid for any matrix M with spectrum inside the unit disk and satisfying (E)) Proposition 2.2 For any > 0 there exists a constant C s.t. kM m −πk ≤ C e ...
... in the operator sense, where π is the rank one projection which projects onto CΩS along (CΩ∗S )⊥ . In fact, we have the following easy estimate (valid for any matrix M with spectrum inside the unit disk and satisfying (E)) Proposition 2.2 For any > 0 there exists a constant C s.t. kM m −πk ≤ C e ...
