Results 21 to 30 of about 292,062 (298)

Singlet/Triplet State Anti/Aromaticity of CyclopentadienylCation: Sensitivity to Substituent Effect

open access: yesChemistry, 2021
It is well known that singlet state aromaticity is quite insensitive to substituent effects, in the case of monosubstitution. In this work, we use density functional theory (DFT) calculations to examine the sensitivity of triplet state aromaticity to ...
Milovan Stojanović   +2 more
doaj   +1 more source

Magnetic-field dependence of the spin states of the negatively charged exciton in GaAs quantum wells [PDF]

open access: yes, 2002
We present high-field (
Hayne, M   +3 more
core   +1 more source

Upper critical fields of quasi-low-dimensional superconductors with coexisting singlet and triplet pairing interactions in parallel magnetic fields [PDF]

open access: yes, 2000
Quasi-low-dimensional type II superconductors in parallel magnetic fields are studied when singlet pairing interactions and relatively weak triplet pairing interactions coexist.
Shimahara, Hiroshi
core   +2 more sources

N,N′-Diaryldihydrophenazines as a Sustainable and Cost-Effective Alternative to Precious Metal Complexes in the Photoredox-Catalyzed Alkylation of Aryl Alkyl Ketones

open access: yesMolecules, 2022
An inexpensive and highly efficient metal-free alternative to commonly used Ru- and Ir-based catalysts was proposed. It was shown that the new 2,7-di-tert-butyl-5,10-bis(4-trifluoromethylphenyl)-5,10-dihydrophenazine outcompeted the iridium phenylpyridyl
Dmitry A. Dulov   +3 more
doaj   +1 more source

Triplet-singlet conversion in ultracold Cs$_2$ and production of ground state molecules

open access: yes, 2010
We propose a process to convert ultracold metastable Cs$_2$ molecules in their lowest triplet state into (singlet) ground state molecules in their lowest vibrational levels.
D. Gerlich   +6 more
core   +1 more source

Optical Probes of the Quantum-Entangled Triplet-Triplet State in a Heteroacene Dimer

open access: yes, 2018
The nature and extent of the spin-entanglement in the triplet-triplet biexciton with total spin zero in correlated-electron $\pi$-conjugated systems continues to be an enigma.
Khan, Souratosh, Mazumdar, Sumit
core   +1 more source

Long-Lived Ultracold Molecules with Electric and Magnetic Dipole Moments

open access: yes, 2017
We create fermionic dipolar $^{23}$Na$^6$Li molecules in their triplet ground state from an ultracold mixture of $^{23}$Na and $^6$Li. Using magneto-association across a narrow Feshbach resonance followed by a two-photon STIRAP transfer to the triplet ...
Ebadi, Sepehr   +7 more
core   +2 more sources

Series study of the One-dimensional S-T Spin-Orbital Model

open access: yes, 2001
We use perturbative series expansions about a staggered dimerized ground state to compute the ground state energy, triplet excitation spectra and spectral weight for a one-dimensional model in which each site has an $S=\case 1/2$ spin ${\bf S}_i$ and a ...
A. Joshi   +34 more
core   +1 more source

Manifestation of the odd-frequency spin-triplet pairing state in diffusive ferromagnet / superconductor junctions [PDF]

open access: yes, 2006
Using the quasiclassical Green's function formalism, we study the influence of the odd-frequency spin-triplet superconductivity on the local density of states (LDOS) in a diffusive ferromagnet (DF) attached to a superconductor.
A. A. Golubov   +7 more
core   +5 more sources

Enhancing single-molecule photostability by optical feedback from quantum-jump detection

open access: yes, 2007
We report an optical technique that yields an enhancement of single-molecule photostability, by greatly suppressing photobleaching pathways which involve photoexcitation from the triplet state.
Basché T.   +10 more
core   +2 more sources

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