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Vive la Différence!

Lucio Frydman

Long-lived singlet states-zero-spin states made of two spin-1/2 particles-can be created by combining two different atomic species such as carbon and hydrogen.

PhysicsFeb 18, 20140 citations

Viewpoint: Vive la Différence!

Lucio Frydman

Long-lived singlet states—zero-spin states made of two spin-1/2 particles—can be created by combining two different atomic species such as carbon and hydrogen.

Feb 18, 20140 citations

A stabilised gas of atomic hydrogen

Isaac F. Silvera

We, at the Natuurkundig Laboratorium der Universiteit van Amsterdam, have recently succeeded in creating a gas of atomic hydrogen in a special long-lived state called spin polarised hydrogen, H↓ (see I F Silvera and J T M Walraven 1980 Phys. Rev. Lett. 44 164). Gases with densities up to almost 10 17 cm -3 can exist for periods of minutes up to hours depending on the conditions.

Physics BulletinNov 1, 19810 citations

Quantum interference experiments with organic molecules: Information about internal states of spatially quantum delocalized molecules

Markus Arndt, Stefan Gerlich, Sandra Eibenberger +4 more

Author: Arndt, M. et al.; Genre: Journal Article; Issued: 2011-03-27; Title: Quantum interference experiments with organic molecules: Information about internal states of spatially quantum delocalized molecules

Abstracts of papers - American Chemical SocietyMar 27, 20110 citations

Entanglement of polar symmetric top molecules as candidate qubits

Wei, Q., Sabre Kais, Friedrich, B. +1 more

Author: Wei, Qi et al.; Genre: Journal Article; Issued: 2011-10-17; Open Access; Keywords: Proposals for quantum computing using rotational states of polar molecules as qubits have previously considered only diatomic molecules. For these the Stark effect is second-order, so a sizable external electric field is required to produce the requisite dipole moments in the laboratory frame. Here we consider use of polar symmetric top molecules. These offer advantages resulting from a first-order Stark effect, which renders the effective dipole moments nearly independent of the field strength. That permits use ofmuch lower external field strengths for addressing sites. Moreover, for a particular choice of qubits, the electric dipole interactions become isomorphous with NMR systems for which many techniques enhancing logic gate operations have been developed. Also inviting is the wider chemical scope, since many symmetric top organic molecules provide options for auxiliary storage qubits in spin and hyperfine structure or in internal rotation states.; Title: Entanglement of polar symmetric top molecules as candidate qubitsAuthor: Wei, Qi et al.; Genre: Journal Article; Issued: 2011-10-17; Open Access; Keywords: Proposals for quantum computing using rotational states of polar molecules as qubits have previously considered only diatomic molecules. For these the Stark effect is second-order, so a sizable external electric field is required to produce the requisite dipole moments in the laboratory frame. Here we consider use of polar symmetric top molecules. These offer advantages resulting from a first-order Stark effect, which renders the effective dipole moments nearly independent of the field strength. That permits use ofmuch lower external field strengths for addressing sites. Moreover, for a particular choice of qubits, the electric dipole interactions become isomorphous with NMR systems for which many techniques enhancing logic gate operations have been developed. Also inviting is the wider chemical scope, since many symmetric top organic molecules provide options for auxiliary storage qubits in spin and hyperfine structure or in internal rotation states.; Title: Entanglement of polar symmetric top molecules as candidate qubits

Oct 17, 201134 citations

J. Phys.: Condens. Matter

S. Schnyder, Felix Höfling, Thomas Franosch +1 more

Author: Schnyder, S. K. et al.; Genre: Journal Article; Issued: 2011-06-15; Keywords: MPI für Intelligente Systeme; Abt. Dietrich; Collective Dynamics; ; Title: Long-wavelength anomalies in the asymptotic behavior of mode-coupling theory

Jun 15, 20110 citations

Long-Lived H-1 Singlet Spin States Originating from Para-Hydrogen in Cs-Symmetric Molecules Stored for Minutes in High Magnetic Fields

Abstract

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Long-Lived H-1 Singlet Spin States Originating from Para-Hydrogen in Cs-Symmetric Molecules Stored for Minutes in High Magnetic Fields

Abstract

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