Rajat Karnatak

Postdoktorand*in
Telefon
033082 69953
Fax
033082 69917
Raum
1305

Alte Fischerhütte 2, OT Neuglobsow, 16775 Stechlin

Profil
Forschungsgruppe
Kompetenzen

Nichtlineare Dynamik, synchronisation, extreme Ereignisse

Lebenslauf

2016 onwards  - Postdoc, THEA group (Dr. Sabine Wollrab), IGB, Neuglobsow / Berlin, Germany.

2014 - 2016      - Associated scientist, Nonlinear Dynamics and Time Series Analysis research group (Prof. Holger Kantz), Max Planck Institute for the Physics of Complex Systems, Dresden, Germany.

2011 - 2014       - Postdoc, Theoretical Physics / Complex systems research group (Prof. Ulrike Feudel), ICBM, University of Oldenburg, Germany.

2005 - 2011       - Ph.D., "Synchronization and Amplitude death : the effects of time delayed interactions in coupled nonlinear systems" , Nonlinear Dynamics group (Prof. R. Ramaswamy), School of Physical Sciences, Jawaharlal Nehru University, New Delhi, India.

Publikationen

2022

2021

2020

2017

Publikationen-Alle

Early warning signal for interior crises in excitable systems

R Karnatak, H Kantz, S Bialonski, Physical Review E 96 (4), 042211 (2017)

Mixotrophy and intraguild predation–dynamic consequences of shifts between food web motifs

R Karnatak, S Wollrab, The European Physical Journal Special Topics 226 (9), 2135-2144 (2017)

Linear augmentation for stabilizing stationary solutions: Potential pitfalls and their application

R Karnatak, PloS one 10 (11), e0142238 (2015)

Conjugate coupling in ecosystems: Cross-predation stabilizes food webs

R Karnatak, R Ramaswamy, U Feudel, Chaos, Solitons & Fractals 68, 48-57 (2014)

Route to extreme events in excitable systems

R Karnatak, G Ansmann, U Feudel, K Lehnertz, Physical Review E 90 (2), 022917 (2014)

Three-body interactions with time delay

R Karnatak, Physical Review E 88 (3), 032915 (2013)

Extreme events in excitable systems and mechanisms of their generation

G Ansmann, R Karnatak, K Lehnertz, U Feudel, Physical Review E 88 (5), 052911 (2013)

Frequency discontinuity and amplitude death with time-delay asymmetry

N Punetha, R Karnatak, A Prasad, J Kurths, R Ramaswamy, Physical Review E 85 (4), 046204 (2012)

Nature of the phase-flip transition in the synchronized approach to amplitude death

R Karnatak, N Punetha, A Prasad, R Ramaswamy, Physical Review E 82 (4), 046219 (2010)

Phase-flip transition in coupled electrochemical cells

JM Cruz, J Escalona, P Parmananda, R Karnatak, A Prasad, R Ramaswamy, Physical Review E 81 (4), 046213 (2010)

Synchronization regimes in conjugate coupled chaotic oscillators

R Karnatak, R Ramaswamy, A Prasad, Chaos 19 (3), 033143 (2009)

Universal occurrence of the phase-flip bifurcation in time-delay coupled systems

A Prasad, SK Dana, R Karnatak, J Kurths, B Blasius, R Ramaswamy, Chaos 18 (2), 023111 (2008)

Amplitude death in the absence of time delays in identical coupled oscillators

R Karnatak, R Ramaswamy, A Prasad, Physical Review E 76 (3), 035201 (2007)

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