Charles Kaufman

Research

  • Weak interactions
  • Ocean acoustics
  • Chaos
  • Quantum electrodynamics
  • Turbulent media
  • Ultracold neutrons

Education

  • Ph.D., Pennsylvania State University, 1963

Selected Publications

Geometric phases in electric dipole searches with trapped spin-1/2 particles in general fields and measurements cells of arbitrary shape with smooth or rough walls
R. Golub, C. Kaufman, G. Mueller, A. Steyerl
Phys. Rev. A 92, 062123 (2015)

Spin flip loss in magnetic storage of ultracold neutrons
A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik and A. M. Desai
in “Next generation experiments to measure the neutron lifetime”
ed. S. J. Seestrom, World Scientific, 75-86 (2014)

Calculation of geometric phases in electric dipole searches with trapped spin-1/2 particles based on direct solution of the Schroedinger equation
A. Steyerl, C. Kaufman, G. Mueller, S. S. Malik, A. M. Desai and R. Golub
Phys. Rev. A 89, 052129 (2014).

Quasielastic scattering in the interaction of ultracold neutrons with a liquid wall and application to a reanalysis of the Mambo I neutron-lifetime experiment
A. Steyerl, J. M. Pendlebury, C. Kaufman, S. S. Malik and A. M. Desai
Phys. Rev. C 85,065503 (2012)

Surface roughness effect on ultracold neutron interaction with a wall and implications for computer simulations
A. Steyerl, S. S. Malik, A. M. Desai and C. Kaufman
Phys. Rev. C 81, 055505 (2010)

Hamiltonian Chaos IV
N.Regenz,W.Breymann,S.Weigart,C.Kaufman and G.Müller
Computers in Physics 10, (1996), 39-45

Hamiltonian Chaos III
N. Srivastava, C. Kaufman and G. Müller
Computers in Physics 6 (1992), 84-88

Hamiltonian Chaos II
N. Srivastava, C. Kaufman and G. Müller
Computers in Physics 5 (1991), 239-243

Hamiltonian Chaos
N. Srivastava, C. Kaufman and G. Müller
Computers in Physics 4 (1990), 549-553

Chaos in spin clusters: quantum invariants and level statistics
N. Srivastava, C. Kaufman and G. Müller
J. Appl. Phys. 67 (1990), 5627-5629

Periodic and aperiodic orbits in the Hamiltonian formulation of a model magnetic system
C. Kaufman, N. Srivastava and G. Müller
in Modern Optimal Control, ed. by E.O. Roxin, Marcel Dekker Inc. New York 1989. pp 217-235.

Chaos in Spin Clusters: Correlation Functions and Spectral Properties
N. Srivastava, C. Kaufman and G. Müller
J.Ap.Phys. 63, 4154-4156 (1988).

Regular and chaotic time evolution in spin clusters
N. Srivastava, C. Kaufman and G. Müller
J.Physique C8 (1988) 1601-1602

Classical spin clusters: Integrability and dynamical properties
N.Srivastava,C.Kaufman,G.Müller, E.Magyari,R.Weber and H.Thomas
J.Physique C8 (1988) 1601-1602

Integrable and Nonintegrable Classical Spin Clusters: Integrability Criteria and Analytic Structure of Invariants
E.Magyari, H.Thomas, R.Weber, C.Kaufman and G.Müller
Z.Phys. B-Condensed Matter 65,363-374 (1987)

Routh-Hurwitz criterion in the examination of eigenvalues of a system of nonlinear ordinary diffential equations
Edmund X. DeJesus and Charles Kaufman
PhysRevA 35 (1987) 5288

Nonperiodic flow in the numerical integration of a nonlinear differential equation of fluid dynamics
Edmund X. DeJesus and Charles Kaufman,
PhysRevA 35 (1987) 5288

Data Recording and Processing for High-Resolution Frequency Analysis
F. Gualtieri, R. G. Pridham and C. Kaufman
J.Ocean Engr.OE-9-2 April 1984, 99-105

High Resolution Spectral Analysis of OMAT Data
C. Kaufman
35th Navy Symposium on Underwater Acoustics, November 1983

Twinkle Effect in OMAT Sea Data
M. Serotta, R. G. Pridham and C. Kaufman
J. Underwater Acoust. Jan. 1983

Temporal Coherence Limitations for Low-Frequency Long-Range Acoustic Signals in the Ocean
R. D. Dluhy, R. G. Pridham and C. Kaufman

Spectrum of Intensity Fluctuations in the Internal Wave Range
S.Unni and C.Kaufman
J.Acoust.Soc.Am.67 (1980) 1384

Acoustic Fluctuations Due to the Temperature Finestructure of the Ocean
S. Unni and C. Kaufman
J. Acoust. Soc. Am. (1981)

Does Mode Coupling Affect Multipath Time Stretching?
H. Woodsum and C. Kaufman
J. Acoust. Soc. Am. (1979), 917

Asymmetries in Semi-Leptonic Hyperon Decay
C. Kaufman and H. Stremnitzer
Nuclear Physics B54(1973),217

The Scattering of Sound by Underwater Turbulence
C. Kaufman
J. Acoust. Soc. Am. (1971), 930

The Influence of Atomic Binding on the Recoil Distribution in Electron-Field Pair Production
C. Kaufman
Phys. Rev. (1964), A 985

Classical Models of Radiative Decay
C. Kaufman and R. G. Winter,
Am. J. Phys. (1962), 93.

On the Indefinite Metric in the Lee Model
E. Kazes and C. Kaufman
Il Nuovo Cimento X, (1960), 616.