Nonequilibrium fluctuations, fluctuation theorems
... formalism, the propagator of the density matrix of a “detector” with Hamiltonian p2 / 2m interacting with a system can be expressed in terms of the influence functional that only depends on the system degrees of freedom 共Feynman and Vernon, 1963兲. The modified propagator is the influence functional ...
... formalism, the propagator of the density matrix of a “detector” with Hamiltonian p2 / 2m interacting with a system can be expressed in terms of the influence functional that only depends on the system degrees of freedom 共Feynman and Vernon, 1963兲. The modified propagator is the influence functional ...
local - Physics
... he world we live in is a strange and wonderful place. The vast majority of our interactions with objects around us can be described and predicted by relatively simple equations and relations, which have been fully understood for centuries now. The concept of this tactile world is however, a result o ...
... he world we live in is a strange and wonderful place. The vast majority of our interactions with objects around us can be described and predicted by relatively simple equations and relations, which have been fully understood for centuries now. The concept of this tactile world is however, a result o ...
Power Scaling Laws and Dimensional Transitions in Solid Mechanics
... point of view, this transition means a bifurcation of the microcracks behaviour: at strains less than the critical one, virtually no microcrack propagates to a larger scale, thus the body is macroscopically sound, whereas, above the critical strain, microcracks suddenly coalesce. leading to the macr ...
... point of view, this transition means a bifurcation of the microcracks behaviour: at strains less than the critical one, virtually no microcrack propagates to a larger scale, thus the body is macroscopically sound, whereas, above the critical strain, microcracks suddenly coalesce. leading to the macr ...
Mouse Trap Lab Book
... of friction: airfriction and bearing friction. Airfriction is a large factor only with cars that are moving fast and is nearly negligible for slow-moving distance cars; therefore, in this lab you will only take bearing friction into consideration. Bearing friction is actually caused by two surfaces ...
... of friction: airfriction and bearing friction. Airfriction is a large factor only with cars that are moving fast and is nearly negligible for slow-moving distance cars; therefore, in this lab you will only take bearing friction into consideration. Bearing friction is actually caused by two surfaces ...
IMPROVEMENT OF TIME-OF-FLIGHT SPECTROMETER FOR
... Department of Physics, University of Jyväskylä. These years, during which our research group has significantly changed size, persons, research direction and tools, have been very valuable for a PhD student like me in many respects. I have been able both to impact the decisions and asses the conseque ...
... Department of Physics, University of Jyväskylä. These years, during which our research group has significantly changed size, persons, research direction and tools, have been very valuable for a PhD student like me in many respects. I have been able both to impact the decisions and asses the conseque ...
Correlated Electrons: From Models to Materials - cond
... pronounced incoherent features [8]. We present in Fig. 1 the qualitative difference between the spectral function of normal metals with well-defined quasiparticle peaks at all momenta k and the strongly correlated case with an incoherent part and a non-quasiparticle spectrum in the Brillouin zone. T ...
... pronounced incoherent features [8]. We present in Fig. 1 the qualitative difference between the spectral function of normal metals with well-defined quasiparticle peaks at all momenta k and the strongly correlated case with an incoherent part and a non-quasiparticle spectrum in the Brillouin zone. T ...
Density of states
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In solid-state and condensed matter physics, the density of states (DOS) of a system describes the number of states per interval of energy at each energy level that are available to be occupied. Unlike isolated systems, like atoms or molecules in gas phase, the density distributions are not discrete like a spectral density but continuous. A high DOS at a specific energy level means that there are many states available for occupation. A DOS of zero means that no states can be occupied at that energy level. In general a DOS is an average over the space and time domains occupied by the system. Localvariations, most often due to distortions of the original system, are often called local density of states (LDOS). If the DOS of an undisturbedsystem is zero, the LDOS can locally be non-zero due to the presence of a local potential.