# Browse Dissertations and Theses - Physics by Title

• (1994)
The existence and behavior of ground-state and thermally-activated excitations in helium solids have been extensively examined by a variety of experimental and theoretical studies. Although these excitations are typically ...

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• (2004)
We have used a custom-built scanning tunneling microscope (STM) to investigate the electronic states of a slightly underdoped high-TC superconductor Bi2Sr2CaCu2O8+d as a function of temperature. We have demonstrated for ...

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• (1959)

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• (1997)

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• (1998-02)

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• (1978)
The hypotheticai system of nucleons known as nuclear matter provides a very interesting field of study with relevance to both nuclear physics and astrophysics. The task of finding nucleon-nucleon potentials that explain ...

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• (1979)
A theory is developed to allow the systematic calculation of the properties of quantum fluids given the microscopic two-body potential. Physical arguments are used to construct a correlation operator that approximately ...

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• (1971)
A detailed theoretical treatment is given of the vector mesondominance approximation of a k2 dispersion relation for any of a large number of sets of invariant amplitudes for pion photoproduction. The resulting cross section ...

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• (1970)
Ultrasonic pulse-echo measurements have been carried out on specimens of solid krypton prepared in a rigid-tail helium cryostat. Values were obtained from polycrystalline specimens for longitudinal sound waves from 52 ...

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• (1978)
The vibrational and thermodynamic properties of crystalline ferrocene (dicyclopentadienyl iron, Fe(CH)2' Fc), and dilute soluSStions of Fc in the liq-uid crystals 4-n-hexyloxybenzylidene 4'-npropylaniline (HBPA) and ...

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• (1967)
We present here a new theory of non-leptonic weak interactions based on neutral F-spin currents of the SU, current algebra. Both CP conserving and CP violating non-leptonic processes are generated by the same primary ...

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• (2011-01-14)
Voltage-gated potassium channels are membrane proteins that regulate the ﬂow of K+ ions across the cell membrane. These channels respond to changes in electrostatic potential across the cell membrane, and allow passage of ...

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• (2000)
We have studied the interactions of vortices in superconductors with surface features and sample edges. Surface steps can generate an asymmetric vortex pinning potential and can influence the distribution of vortices upon ...

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• (2001)
The vulcanization transition is a crosslink-density-controlled equilibrium phase transition from the liquid to the amorphous solid state. In order to understand the origins and consequences of the universal aspects of ...

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• (1988)
Core excitations in metals create a local change in potential that couples strongly to the sea of conduction electrons. The response of the electron liquid to this local shock is reflected in its excitation spectrum; this ...

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• (1990)
The mass of the W vector boson has been measured from an analysis of $W \to\ \mu\ \nu$ decays in the CDF detector at the Fermilab Tevatron $\bar p p$ collider. The mass is 79.90 $\pm$ 0.53(stat.) $\pm$ 0.31(sys.) $\pm$ ...

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• (1977)
Various differences and similarities of warm and cold frontogenesis are numerically modeled. The hydrostatic, adiabatic, Boussinesq primitive equations are integrated on a two dimensional grid. The frontogenesis is forced ...

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• (1998)
To perform electronic structure calculations on inhomogenous systems, it is desirable to use methods which adapt to the problem by using a spatially-varying level of resolution. A wavelet basis can efficiently represent ...

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• (2004)
Neutrino interactions play a crucial role in many astrophysical environments such as core-collapse supernovae and neutron stars. In this work, reaction rates for neutrino emission, absorption and scattering are calculated ...

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• (1972)

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