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1

Nonlinear features of ion acoustic shock waves in dissipative magnetized dusty plasma

Sahu, Biswajit, Sinha, Anjana, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2014

Language:

english

File:

PDF, 833 KB

english, 2014

2

WKB and MAF quantization rules for spatially confined quantum mechanical systems

Anjana Sinha, Rajkumar Roychoudhury

Journal:

International Journal of Quantum Chemistry

Year:

1999

Language:

english

File:

PDF, 157 KB

english, 1999

3

Wentzel–Kramers–Brillouin quantization rules for two-dimensional quantum dots

Anjana Sinha, Rajkumar Roychoudhury, Y.P Varshni

Journal:

Physica B: Condensed Matter

Year:

2003

Language:

english

File:

PDF, 189 KB

english, 2003

4

Ion acoustic solitary waves and double layers in dense electron-positron-ion magnetoplasma

Chatterjee, Prasanta, Saha, Taraknath, Muniandy, S. V., Wong, C. S., Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2010

Language:

english

File:

PDF, 657 KB

english, 2010

5

Quantum ion acoustic shock waves in planar and nonplanar geometry

Sahu, Biswajit, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2007

Language:

english

File:

PDF, 122 KB

english, 2007

6

Zakharov-Kuznetsov equation for ion acoustic waves with superthermal electrons in cylindrical geometry

Sahu, Biswajit, Roychoudhury, Rajkumar

Journal:

EPL (Europhysics Letters)

Year:

2012

Language:

english

File:

PDF, 277 KB

english, 2012

7

Supersymmetric modified Airy-function method and its application to the Schrödinger potential V ( x ) = x 6 − 3 x 2

Sinha, Anjana, Roychoudhury, Rajkumar, Varshni, Y. P.

Journal:

Canadian Journal of Physics

Year:

1996

File:

PDF, 167 KB

1996

8

Role of Darboux’s theorem in supersymmetric quantum mechanics

Roy, Pinaki, Roychoudhury, Rajkumar

Journal:

Physical Review D

Year:

1986

Language:

english

File:

PDF, 72 KB

english, 1986

9

Weak dissipative ion-acoustic solitons in relativistically degenerate collisional plasma

Sahu, Biswajit, Sinha, Anjana, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2017

Language:

english

File:

PDF, 1.00 MB

english, 2017

10

Exact Solutions of Two Body Dirac Equations

Nag, Nivedita, Roychoudhury, Rajkumar

Journal:

Zeitschrift für Naturforschung A

Year:

1994

Language:

english

File:

PDF, 3.00 MB

english, 1994

11

New exact solutions of the non-polynomial oscillator V(x) = x2+λx2(1+gx2) and supersymmetry

Pinaki Roy, Rajkumar Roychoudhury

Journal:

Physics Letters A

Year:

1987

Language:

english

File:

PDF, 343 KB

english, 1987

12

Partial algebraization of spectral problems and supersymmetry

Pinaki Roy, Barnana Roy, Rajkumar Roychoudhury

Journal:

Physics Letters A

Year:

1989

Language:

english

File:

PDF, 265 KB

english, 1989

13

Hill determinants, supersymmetry and partial algebraization

Pinaki Roy, Barnana Roy, Rajkumar Roychoudhury

Journal:

Physics Letters A

Year:

1990

Language:

english

File:

PDF, 189 KB

english, 1990

14

Evolution of ion-acoustic solitary waves in magnetized plasma contaminated with varying dust charged grains

Karabi Devi, J. Sarma, G.C. Das, A. Nag, Rajkumar Roychoudhury

Journal:

Planetary and Space Science

Year:

2007

Language:

english

File:

PDF, 241 KB

english, 2007

15

Supersymmetry without hermiticity within PT symmetric quantum mechanics

Miloslav Znojil, Francesco Cannata, Bijan Bagchi, Rajkumar Roychoudhury

Journal:

Physics Letters B

Year:

2000

Language:

english

File:

PDF, 64 KB

english, 2000

16

Isospectral partners of a complex PT-invariant potential

Anjana Sinha, Rajkumar Roychoudhury

Journal:

Physics Letters A

Year:

2002

Language:

english

File:

PDF, 95 KB

english, 2002

17

On Solutions of Quantum Eigenvalue Problems: A Supersymmetric Approach

Barnana Roy, Pinaki Roy, Rajkumar Roychoudhury

Journal:

Fortschritte der Physik

Year:

1991

Language:

english

File:

PDF, 1.99 MB

english, 1991

18

Dirac equation in (1+1)-dimensional curved space-time

Anjana Sinha, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1994

Language:

english

File:

PDF, 331 KB

english, 1994

19

Electromagnetic field in two-dimensional locally flat space-time

Kingshuk Majumdar, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1994

Language:

english

File:

PDF, 259 KB

english, 1994

20

Time-dependent variational method for sine-Gordon quantum field theory

Anjana Sinha, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1992

Language:

english

File:

PDF, 304 KB

english, 1992

21

Spontaneous symmetry breaking in a time-dependent space-time

Anjana Sinha, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1993

Language:

english

File:

PDF, 417 KB

english, 1993

22

O(N) symmetric finite-temperatureϕ4theory in 2+1 dimensions

Bimal Kumar Majumdar, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1992

Language:

english

File:

PDF, 652 KB

english, 1992

23

Spontaneous symmetry breaking in static Robertson-Walker space-time with background charge

Bimal Kumar Majumdar, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1992

Language:

english

File:

PDF, 425 KB

english, 1992

24

Sine-Gordon equation in curved space-time

Kingshuk Majumdar, Rajkumar Roychoudhury

Journal:

International Journal of Theoretical Physics

Year:

1994

Language:

english

File:

PDF, 144 KB

english, 1994

25

Higher-order solution for dust acoustic solitary waves in an unmagnetized dusty plasma

Sarit Maitra, Rajkumar Roychoudhury, Kalyan Kr. Mondal

Journal:

Czechoslovak Journal of Physics

Year:

2005

Language:

english

File:

PDF, 552 KB

english, 2005

26

Anomalous doublets of states in a PT symmetric quantum model

Miloslav Znojil, Géza Lévai, Pinaki Roy, Rajkumar Roychoudhury

Journal:

Physics Letters A

Year:

2001

Language:

english

File:

PDF, 75 KB

english, 2001

27

Spiked and screened oscillatorsV(r)=Ar2+B/r2+C/r4+D/r6+F/(1 +Gr)2and their elementary bound states

Miloslav Znojil, Rajkumar Roychoudhury

Journal:

Czechoslovak Journal of Physics

Year:

1998

Language:

english

File:

PDF, 352 KB

english, 1998

28

Electron-acoustic solitary waves and double layers in a relativistic electron-beam plasma system

Sahu, Biswajit, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2004

Language:

english

File:

PDF, 361 KB

english, 2004

29

Quasi-periodic behavior of ion acoustic solitary waves in electron-ion quantum plasma

Sahu, Biswajit, Poria, Swarup, Narayan Ghosh, Uday, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2012

Language:

english

File:

PDF, 2.39 MB

english, 2012

30

On the construction of supersymmetric quantum mechanical Hamiltonian

Pinaki Roy, Rajkumar Roychoudhury

Journal:

Zeitschrift für Physik C Particles and Fields

Year:

1986

Language:

english

File:

PDF, 238 KB

english, 1986

31

Exact bound states for the potentialV(r)=r2+βr−4+λr−6using partial algebraization technique

Nivedita Nag, Rajkumar Roychoudhury

Journal:

Czechoslovak Journal of Physics

Year:

1996

Language:

english

File:

PDF, 304 KB

english, 1996

32

Cylindrical and spherical ion acoustic waves in a plasma with nonthermal electrons and warm ions

Sahu, Biswajit, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2005

Language:

english

File:

PDF, 319 KB

english, 2005

33

Solitonic, quasi-periodic and periodic pattern of electron acoustic waves in quantum plasma

Biswajit Sahu, Swarup Poria, Rajkumar Roychoudhury

Journal:

Astrophysics and Space Science

Year:

2012

Language:

english

File:

PDF, 1.51 MB

english, 2012

34

The effect of q-distributed electrons on the head-on collision of ion acoustic solitary waves

Ghosh, Uday Narayan, Chatterjee, Prasanta, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2012

Language:

english

File:

PDF, 526 KB

english, 2012

35

Quasipotential analysis for deriving the multidimensional Sagdeev potential equation in multicomponent plasma

Roychoudhury, Rajkumar, Das, G. C., Sarma, Jnanjyoti

Journal:

Physics of Plasmas

Year:

1999

Language:

english

File:

PDF, 381 KB

english, 1999

36

Small amplitude nonlinear electron acoustic solitary waves in weakly magnetized plasma

Dutta, Manjistha, Ghosh, Samiran, Roychoudhury, Rajkumar, Khan, Manoranjan, Chakrabarti, Nikhil

Journal:

Physics of Plasmas

Year:

2013

Language:

english

File:

PDF, 379 KB

english, 2013

37

Nonplanar Ion Acoustic Waves with Nonthermal Electrons

Biswajit Sahu, Rajkumar Roychoudhury

Journal:

Earth, Moon, and Planets

Year:

2012

Language:

english

File:

PDF, 633 KB

english, 2012

38

Phase shifts of magneto-acoustic solitons in spin-1/2 fermionic quantum plasma during head-on collision

CHATTERJEE, PRASANTA, ROYCHOUDHURY, RAJKUMAR, GHORUI, MALAY KUMAR

Journal:

Journal of Plasma Physics

Year:

2013

Language:

english

File:

PDF, 271 KB

english, 2013

39

Head-on collision of dust-ion-acoustic solitons in electron-dust-ion quantum plasmas

CHATTERJEE, PRASANTA, GHORUI, MALAY KUMAR, ROYCHOUDHURY, RAJKUMAR

Journal:

Year:

2013

Language:

english

File:

PDF, 400 KB

english, 2013

40

Two-soliton solution of ion acoustic solitary waves in nonplanar geometry

Sahu, Biswajit, Roychoudhury, Rajkumar

Journal:

Astrophysics and Space Science

Year:

2013

Language:

english

File:

PDF, 1.59 MB

english, 2013

41

-symmetric Rosen-Morse potential wells

Midya, Bikashkali, Roychoudhury, Rajkumar

Journal:

Physical Review A

Year:

2013

Language:

english

File:

PDF, 723 KB

english, 2013

42

Obliquely propagating ion acoustic solitary waves in a dusty plasma in the presence of an external magnetic field

Maitra, Sarit, Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2006

Language:

english

File:

PDF, 360 KB

english, 2006

43

Gaussian approach to finite temperature $\lambda$$\varphi$4 theory in a curved space

Roy, Pinaki, Roychoudhury, Rajkumar, Sengupta, Manasi

Journal:

Classical and Quantum Gravity

Year:

1990

File:

PDF, 99 KB

1990

44

A GAUSSIAN APPROACH TO SINE GORDON THEORY AT FINITE TEMPERATURE

ROY, PINAKI, ROYCHOUDHURY, RAJKUMAR, VARSHNI, Y.P.

Journal:

Modern Physics Letters A

Year:

1989

Language:

english

File:

PDF, 204 KB

english, 1989

45

Pseudopotential approach to nonlinear dust acoustic waves in dusty plasma

Roychoudhury, Rajkumar, Maitra, Sarit

Journal:

Physics of Plasmas

Year:

2002

Language:

english

File:

PDF, 299 KB

english, 2002

46

Nonlinear electron acoustic cyclotron waves in presence of uniform magnetic field

Dutta, Manjistha, Ghosh, Samiran, Roychoudhury, Rajkumar, Khan, Manoranjan, Chakrabarti, Nikhil

Journal:

Physics of Plasmas

Year:

2013

Language:

english

File:

PDF, 768 KB

english, 2013

47

Some aspects of shock-like nonlinear acoustic waves in magnetized dusty plasma

Das, G. C., Sarma, J., Roychoudhury, Rajkumar

Journal:

Physics of Plasmas

Year:

2001

Language:

english

File:

PDF, 405 KB

english, 2001

48

Nonlinear localized modes in -symmetric optical media with competing gain and loss

Midya, Bikashkali, Roychoudhury, Rajkumar

Journal:

Annals of Physics

Year:

2014

Language:

english

File:

PDF, 816 KB

english, 2014

49

Non-isospectrality of the generalized Swanson Hamiltonian and harmonic oscillator

Midya, Bikashkali, Dube, P P, Roychoudhury, Rajkumar

Journal:

Journal of Physics A Mathematical and Theoretical

Year:

2011

Language:

english

File:

PDF, 142 KB

english, 2011

50

Readability modelling and comparison of one and two parametric fit: A case study in Bangla*

Das, Sreerupa, Roychoudhury, Rajkumar

Journal:

Journal of Quantitative Linguistics

Year:

2006

Language:

english

File:

PDF, 398 KB

english, 2006