𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A simple effective Hamiltonian for low-frequency linear responses

✍ Scribed by Robert A. Harris; Lawrence Pratt


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
311 KB
Volume
203
Category
Article
ISSN
0009-2614

No coin nor oath required. For personal study only.

✦ Synopsis


It is shown that low-frequency linear responses may be obtained formally from second-order stationary state perturbation theory through the use of effective potentials. The effective potentials are related to time averages of Heisenberg operators.


πŸ“œ SIMILAR VOLUMES


Simple algorithms for sonar imaging and
✍ Geoffrey Shippey πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 378 KB

This article describes a digital implementation of timealgorithm provides an all-electronic area or volume imaging techdelay sonar imaging for linear swept-frequency (chirp) sources. The nique. Side-looking sonar is the principal tool for acoustic seabed technique, based on phase-shifting of match-f

Intramolecular hydrogen atom tunneling.
✍ Vasil K. Babamov πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 618 KB

An analytical formula is derived for the tunneling splitting for a particle in a double-well potential linearly coupled to a lowfrequency harmonic bath. Together with another previously developed treatment the formula can be used to interpret the tunneling splittings in molecules such as malonaldehy

A NEW DERIVATION OF THE FREQUENCY RESPON
✍ D.E. ADAMS; R.J. ALLEMANG πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 272 KB

Frequency response function matrices relate the inputs and the outputs of structural dynamic systems. If a system is linear the frequency response function matrix is the same for any combination or types of inputs over the entire operating range. Furthermore, the frequency response matrix of a linea

Fresh bone marrow introduction into poro
✍ Toshitaka Yoshii; Shinichi Sotome; Ichiro Torigoe; Akio Tsuchiya; Hidetsugu Maeh πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 558 KB

## Abstract Recent advances in tissue engineering techniques have allowed porous biomaterials to be combined with osteogenic cells for effective bone regeneration. We developed a simple low‐pressure cell‐loading method using only syringes and stopcocks, and examined the effect of this method on ost