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1

On the theory of scattering by complex potentials

Karl-Erik Thylwe, Nanny Fröman

Journal:

Annals of Physics

Year:

1983

Language:

english

File:

PDF, 1.02 MB

english, 1983

2

Regge-pole description of rainbow scattering by means of the phase-integral method

Amaha, Abraham, Thylwe, Karl-Erik

Journal:

Physical Review A

Year:

1994

Language:

english

File:

PDF, 438 KB

english, 1994

3

The `Ermakov - Lewis' invariants for coupled linear oscillators

Thylwe, Karl-Erik, Korsch, H Jürgen

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

1998

Language:

english

File:

PDF, 106 KB

english, 1998

4

Heavy-particle resonance phase shifts: an improved amplitude–phase formula

Thylwe, Karl-Erik

Journal:

Journal of Mathematical Chemistry

Year:

2018

Language:

english

File:

PDF, 783 KB

english, 2018

5

Monotonic stability

Tomasz Kapitaniak, Karl-Erik Thylwe

Journal:

Chaos, Solitons & Fractals

Year:

1996

Language:

english

File:

PDF, 406 KB

english, 1996

6

On transverse stability of synchronized chaotic attractors

Tomasz Kapitaniak, Karl-Erik Thylwe

Journal:

Chaos, Solitons & Fractals

Year:

1996

Language:

english

File:

PDF, 5.74 MB

english, 1996

7

Coupled radial Schrödinger equations written as Dirac-type equations: application to an amplitude-phase approach

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

Journal of Physics A Mathematical and Theoretical

Year:

2012

Language:

english

File:

PDF, 370 KB

english, 2012

8

A semiclassical analysis of orbiting resonances in slow charge transfer processes

Karl-Erik Thylwe, Anders Bárány

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1985

Language:

english

File:

PDF, 262 KB

english, 1985

9

Dirac resonance energies for central potentials with different Lorentz-type potential couplings

Thylwe, Karl-Erik

Journal:

Physica Scripta

Year:

2010

Language:

english

File:

PDF, 215 KB

english, 2010

10

Complex angular momentum approach to black-hole scattering

Andersson, Nils, Thylwe, Karl-Erik

Journal:

Classical and Quantum Gravity

Year:

1994

Language:

english

File:

PDF, 519 KB

english, 1994

11

On Regge pole trajectories for a rational function approximation of Thomas–Fermi potentials

Belov, Sergey, Thylwe, Karl-Erik, Marletta, Marco, Msezane, Alfred, Naboko, Serguei

Journal:

Journal of Physics A Mathematical and Theoretical

Year:

2010

Language:

english

File:

PDF, 1007 KB

english, 2010

12

Study of the validity of the phase-integral connection formula for potential barriers of arbitrary thickness

Thylwe, Karl-Erik, Yngve, Staffan, Fröman, Per Olof

Journal:

Journal of Mathematical Physics

Year:

2006

Language:

english

File:

PDF, 381 KB

english, 2006

13

Regge-pole positions and residues calculated from phase-integral formulas

Amaha, Abraham, Thylwe, Karl-Erik

Journal:

Physical Review A

Year:

1991

Language:

english

File:

PDF, 507 KB

english, 1991

14

Improved semiclassical Regge-pole description of rainbow scattering

Thylwe, Karl-Erik, Amaha, Abraham

Journal:

Physical Review A

Year:

1991

Language:

english

File:

PDF, 146 KB

english, 1991

15

Settling the question of the high-energy behavior of phase shifts produced by repulsive, strongly singular, inverse-power potentials

Fröman, Nanny, Thylwe, Karl-Erik

Journal:

Journal of Mathematical Physics

Year:

1979

Language:

english

File:

PDF, 494 KB

english, 1979

16

Partial-wave analysis of particular peaks in total scattering cross sections caused by a single partial wave

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

The European Physical Journal D / Atomic, Molecular, Optical and Plasma Physics

Year:

2014

Language:

english

File:

PDF, 506 KB

english, 2014

17

The barrier transmission problem treated by the amplitude-phase method and expressed in terms of an invariant of the Ermakov–Lewis type

Thylwe, Karl-Erik

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2005

Language:

english

File:

PDF, 209 KB

english, 2005

18

On pseudospin symmetry of Dirac states

Thylwe, Karl-Erik, Hamzavi, Majid

Journal:

Physica Scripta

Year:

2013

Language:

english

File:

PDF, 204 KB

english, 2013

19

A theoretical study of spin-angular behaviors of potential scattering resonances

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

Physica Scripta

Year:

2014

Language:

english

File:

PDF, 549 KB

english, 2014

20

Amplitude-phase methods for analyzing the radial Dirac equation: calculation of scattering phase shifts

Thylwe, Karl-Erik

Journal:

Physica Scripta

Year:

2008

Language:

english

File:

PDF, 190 KB

english, 2008

21

Nonlinear phase-integral approximations of stationary waves in nonhomogeneous systems

Thylwe, Karl-Erik, Dankowicz, Harry

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

1997

Language:

english

File:

PDF, 167 KB

english, 1997

22

Light–heavy quark-type linear potential models with spin- and pseudospin-symmetric states

Thylwe, Karl-Erik, Hamzavi, Majid

Journal:

Journal of Physics A Mathematical and Theoretical

Year:

2013

Language:

english

File:

PDF, 254 KB

english, 2013

23

Bohr-Sommerfeld quantization condition for Dirac states derived from an Ermakov-type invariant

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

Journal of Mathematical Physics

Year:

2013

Language:

english

File:

PDF, 162 KB

english, 2013

24

[ACM Press the 1991 international symposium - Bonn, West Germany (1991.07.15-1991.07.17)] Proceedings of the 1991 international symposium on Symbolic and algebraic computation - ISSAC '91 - Obtaining exact steady-state responses in driven undamped oscillators

Cohen, Ian, Thylwe, Karl-Erik

Year:

1991

Language:

english

File:

PDF, 145 KB

english, 1991

25

A new amplitude-phase method for analyzing scattering solutions of the radial Dirac equation

Thylwe, Karl-Erik

Journal:

Journal of Physics A Mathematical and Theoretical

Year:

2008

Language:

english

File:

PDF, 95 KB

english, 2008

26

On Calculations of Legendre Functions and Associated Legendre Functions of the First Kind of Complex Degree

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

Communications in Theoretical Physics

Year:

2015

Language:

english

File:

PDF, 937 KB

english, 2015

27

Note on invariants for uncoupled Ermakov systems

Thylwe, Karl-Erik

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2002

Language:

english

File:

PDF, 59 KB

english, 2002

28

Amplitude-phase formula for the S -matrix derived from invariants of the reduced first-order radial Dirac equation

Thylwe, Karl-Erik

Journal:

Physica Scripta

Year:

2008

Language:

english

File:

PDF, 229 KB

english, 2008

29

Time-dependent normal form Hamiltonian for dynamical equilibria

Thylwe, Karl-Erik, Dankowicz, Harry

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

1996

Language:

english

File:

PDF, 212 KB

english, 1996

30

Scattering S -matrix derived from invariants of the Ermakov–Lewis type

Thylwe, Karl-Erik

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2004

Language:

english

File:

PDF, 131 KB

english, 2004

31

Generalization of the amplitude-phase S -matrix formula for coupled scattering states

Thylwe, Karl-Erik

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2005

Language:

english

File:

PDF, 98 KB

english, 2005

32

An amplitude-phase approach to calculating Regge-pole positions and residues

Thylwe, Karl-Erik, Sokolovski, Dmitri

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2005

Language:

english

File:

PDF, 142 KB

english, 2005

33

Multi-state complex angular momentum residues

Thylwe, Karl-Erik

Journal:

Journal of Physics A: Mathematical and General Physics

Year:

2006

Language:

english

File:

PDF, 95 KB

english, 2006

34

SPIE Proceedings [SPIE Photonics East '95 - Philadelphia, PA (Sunday 22 October 1995)] Chaotic Circuits for Communication - Transverse monotonic stability of chaotic attractors

Kapitaniak, Tomasz, Thylwe, Karl-Erik, Elmirghani, Jaafar M. H.

Year:

1995

Language:

english

File:

PDF, 562 KB

english, 1995

35

Pseudospin Symmetry in the Relativistic Killingbeck Potential: Quasi-Exact Solution

Hamzavi, Majid, Ikhdair, Sameer M., Thylwe, Karl-Erik

Journal:

Zeitschrift für Naturforschung A

Year:

2012

Language:

english

File:

PDF, 135 KB

english, 2012

36

Two-Body Local-Momentum Approximation of Spinless Particles Scattered by a (1+1)-D Woods–Saxon Barrier Potential

Thylwe, Karl-Erik

Journal:

Communications in Theoretical Physics

Year:

2017

Language:

english

File:

PDF, 407 KB

english, 2017

37

Note on Resonant and Non-resonant Peaks in Electron-Atom Total Scattering Cross Sections

Thylwe, Karl-Erik, McCabe, Patrick

Journal:

Communications in Theoretical Physics

Year:

2018

Language:

english

File:

PDF, 352 KB

english, 2018

38

Discontinuous radial potentials, bound states and Dirac equations

Thylwe, Karl-Erik

Journal:

Physica Scripta

Year:

2019

Language:

english

File:

PDF, 507 KB

english, 2019