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Prof. Dr. Ralph Claessen

Office address

Physikalisches Institut Universität Würzburg

Am Hubland

D-97074 Würzburg

Phone: +49 (0)931 31 85732

Fax: +49 (0)931 31 492

Email: claessen(at)physik.uni-wuerzbug.de

Web: http://www.physik.uni-wuerzburg.de/EP4

Project E1

Spectral electronic properties of noble metal nanowires with controlled architectures

Areas of Research

• Experimental condensed matter physics

• Surfaces and interfaces

• Strongly correlated electron systems

• Electron and x-ray spectroscopy

Selected Publications

1. C. Blumenstein, J. Schäfer, S. Mietke, S. Meyer, A. Dollinger, M. Lochner, X.Y. Cui, L. Patthey, R. Matzdorf, and R. Claessen

Atomically controlled quantum chains hosting a Tomonaga-Luttinger liquid

Nature Physics 7, 776 (2011).

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2. S. Glawion, J. Heidler, M.W. Haverkort, L.C. Duda, T. Schmitt, V.N. Strocov, C. Monney, K. J. Zhou, A. Ruff, M. Sing, and R. Claessen

Two-spinon and orbital excitations of the spin-Peierls system TiOCl

Phys. Rev. Lett. 107, 107402 (2011).

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3. J. Schäfer, C. Blumenstein, S. Meyer, M. Wisniewski, and R. Claessen

New model system for a one-dimensional electron liquid: Self-organized atomic gold chains on Ge(001)

Phys. Rev. Lett. 101, 236802 (2008).

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4. J. Schäfer, D. Schrupp, M. Preisinger, and R. Claessen

Conduction states with vanishing dimerization in Pt nanowires on Ge(001) observed with scanning tunneling microscopy

Phys. Rev. B 74, 041404(R) (2006).

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5. R. Claessen, M. Sing, U. Schwingenschlögl, P. Blaha, M. Dressel, and C.S. Jacobsen

Spectroscopic signatures of spin-charge separation in the quasi-one-dimensional organic conductor TTF-TCNQ

Phys. Rev. Lett. 88, 096402 (2002).

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