منابع مشابه
Investigating the chemical dynamics of the reaction of ground-state carbon atoms with acetylene and its isotopomers.
We investigated the multichannel reaction of ground-state carbon atoms with acetylene, C2H2 (X1Sigmag+), to form the linear and cyclic C3H isomers (atomic hydrogen elimination pathway) as well as tricarbon plus molecular hydrogen. The experiments were conducted under single-collision conditions at three different collision energies between 8.0 kJ mol-1 and 31.0 kJ mol-1. Our studies were comple...
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Neutron and X-ray diffraction experiments have shown that NaV2O5 consists of zig-zag V chains of average valence 4.5 rather than a charge ordered state at room temperature. Both these experiments revealed superlattice reflections below the phase transition temperature TSP < 34 K. The modulation below TSP is due to displacements predominantly of V atoms for which we propose a model. q 1998 Elsev...
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The H, system has excited much mterest both theoretically [l] and experimentally [2]. In particular It has been used to study elastic, inelastic and reacttve scattermg. The H3 molecule has been observed in an excited Rydberg state [3], a Bndtng confirmed by ab initio calculation [4,5], but as yet we know of no experimental evidence for it in its electronrc ground state. The ground-state potenti...
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Pluripotency is defined as the capacity of individual cells to initiate all lineages of the mature organism in response to signals from the embryo or cell culture environment. A pluripotent cell has no predetermined programme; it is a blank slate. This is the foundation of mammalian development and of ES (embryonic stem) cell biology. What are the design principles of this naïve cell state? How...
متن کاملGround State EntanglementEnergetics
We consider the ground state of simple quantum systems coupled to an environment. In general the system is entangled with its environment. As a consequence, even at zero temperature, the energy of the system is not sharp: a projective measurement can find the system in an excited state. We show that energy fluctuation measurements at zero temperature provide entanglement information. For two-st...
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ژورنال
عنوان ژورنال: Molecular Physics
سال: 2007
ISSN: 0026-8976,1362-3028
DOI: 10.1080/00268970701518103