Publications
Reviews
M. Qin, T. Schäfer, S. Andergassen, P. Corboz, and E. Gull
The Hubbard model: A computational perspective
Annual Review of Condensed Matter Physics 13, 275 (2022)
T. Schäfer, N. Wentzell, F. Simkovic, Y.-Y. He, C. Hille, M. Klett, C. J. Eckhardt, B. Arzhang, V. Harkov, F.-M. Le Regent, A. Kirsch, Yan Wang, A. J. Kim, E. Kozik, E. A. Stepanov, A. Kauch, S. Andergassen, P. Hansmann, D. Rohe, Y. M. Vilk, J. P. F. LeBlanc, S. Zhang, A.-M. S. Tremblay, M. Ferrero, O. Parcollet, and A. Georges
Tracking the footprints of spin fluctuations: A multi-method, multi-messenger study of the two-dimensional Hubbard model
Phys. Rev. X 11, 011058 (2021)
S. Andergassen, V. Meden, H. Schoeller, J. Splettstösser, and M. R. Wegewijs
Charge transport through single molecules, quantum dots, and quantum wires
Nanotechnology 21, 272001 (2010)
Recent publications
A. Al-Eryani, S. Heinzelmann, K. Fraboulet, F. Krien, and S. Andergassen
Screening and effective RPA-like charge susceptibility in the extended Hubbard model
M. Patricolo, M. Gievers, K. Fraboulet, A. Al-Eryani, S. Heinzelmann, P. M. Bonetti, A. Toschi, D. Vilardi, and S. Andergassen
Single-boson exchange formulation of the Schwinger-Dyson equation and its application to the functional renormalization group
E. Moghadas, N. Dräger, A. Toschi, J. Zang, M. Medvidović, D. Kiese, A. J. Millis, A. M. Sengupta, S. Andergassen, and D. Di Sante
Compressing the two-particle Green's function using wavelets: Theory and application to the Hubbard atom
Eur. Phys. J. Plus 139, 700 (2024)
F. Carnazza, F. Carollo, S. Andergassen, G. Martius, M. Klopotek, and I. Lesanovsky
Machine learning stochastic differential equations for the evolution of order parameters of classical many-body systems in and out of equilibrium
Mach. Learn.: Sci. Technol. 5, 045002 (2024)
M. Meixner, H. Menke, M. Klett, S. Heinzelmann, S. Andergassen, P. Hansmann, and T. Schäfer
Mott transition and pseudogap of the square-lattice Hubbard model: results from center-focused cellular dynamical mean-field theory
S. Heinzelmann, A. Toschi, and S. Andergassen
Entangled magnetic, charge, and superconducting pairing correlations in the two-dimensional Hubbard model: a functional renormalization-group analysis
G. Cemin, F. Carnazza, S. Andergassen, G. Martius, F. Carollo, and I. Lesanovsky
Inferring interpretable dynamical generators of local quantum observables from projective measurements through machine learning
Phys. Rev. Applied 21, L041001 (2024)
P. Tscheppe, J. Zang, M. Klett, S. Karakuzu, A. Celarier, Z.Cheng, T. A. Maier, M. Ferrero, A. J. Millis, and T. Schäfer
Magnetism and Metallicity in Moiré Transition Metal Dichalcogenides
K. Fraboulet and J.-P. Ebran
Addressing energy density functionals in the language of path-integrals II: Comparative study of functional renormalization group techniques applied to the (0+0)-D O(N)-symmetric φ4-theory
K. Fraboulet and J.-P. Ebran
Addressing energy density functionals in the language of path-integrals I: Comparative study of diagrammatic techniques applied to the (0+0)-D O(N)-symmetric φ4-theory
K. Fraboulet, S. Heinzelmann, P. M. Bonetti, A. Al-Eryani, D. Vilardi, A. Toschi, and S. Andergassen
Single-boson exchange functional renormalization group application to the two-dimensional Hubbard model at weak coupling
Eur. Phys. J. B 95, 202 (2022)
D. Maile, J. Ankerhold, S. Andergassen, W. Belzig, and G. Rastelli
Engineering the speedup of quantum tunneling in Josephson systems via dissipation
Phys. Rev. B 106, 045408 (2022)
F. Carnazza, F. Carollo, D. Zietlow, S. Andergassen, G. Martius, and I. Lesanovsky
Machine learning Markovian quantum master equations of few-body observables in interacting spin chains
P. Chalupa-Gantner, F. B. Kugler, C. Hille, J. von Delft, S. Andergassen, and A. Toschi
Fulfillment of sum rules and Ward identities in the multiloop functional renormalization group solution of the Anderson impurity model
Phys. Rev. Research 4, 023050 (2022)
P. M. Bonetti, A. Toschi, C. Hille, S. Andergassen, and D. Vilardi
Single boson exchange representation of the functional renormalization group for strongly interacting many-electron systems
Phys. Rev. Research 4, 013034 (2022)
D. Maile, S. Andergassen, W. Belzig, and G. Rastelli
Exponential speedup of incoherent tunneling via dissipation
Phys. Rev. Research 3, 033019 (2021)
P. P. Mazza, D. Zietlow, F. Carollo, S. Andergassen, G. Martius, and I. Lesanovsky
Machine learning time-local generators of open quantum dynamics
Phys. Rev. Research 3, 023084 (2021)
P. Chalupa, T. Schäfer, M. Reitner, S. Andergassen, and A. Toschi
Fingerprints of the local moment formation and its Kondo screening in the generalized susceptibilities of many-electron problems
Phys. Rev. Lett. 126, 056403 (2021)
M. Klett, N. Wentzell, T. Schäfer, F. Simkovic, O. Parcollet, S. Andergassen, and P. Hansmann
Real-space cluster dynamical mean-field theory: Center-focused extrapolation on the one- and two particle levels
Phys. Rev. Research 2, 033476 (2020)
N. Wentzell, G. Li, A. Tagliavini, C. Taranto, G. Rohringer, K. Held, A. Toschi, and S. Andergassen
High-frequency asymptotic of the vertex function: Diagrammatic parametrization and algorithmic implementation
Phys. Rev. B 102, 085106 (2020)
C. Hille, D. Rohe, C. Honerkamp, and S. Andergassen
Pseudogap opening in the two-dimensional Hubbard model: a functional renormalization group analysis
Phys. Rev. Research 2, 033068 (2020)
C. Hille, F. B. Kugler, C. J. Eckhardt, Y.-Y. He, A. Kauch, C. Honerkamp, A. Toschi, and S. Andergassen
Quantitative functional renormalization-group description of the two-dimensional Hubbard model
Phys. Rev. Research 2, 033372 (2020)
D. Maile, S. Andergassen, and G. Rastelli
Effects of a dissipative coupling to the momentum of a particle in a double well potential
Phys. Rev. Research 2, 013226 (2020)
A. Anthore, D. M. Kennes, E. Boulat, S. Andergassen, F. Pierre, and V. Meden
Universality at work - the local sine-Gordon model, lattice fermions, and quantum circuits
Eur. Phys. J. Special Topics 229, 663 (2020)
D. Maile, S. Andergassen, W. Belzig, and G. Rastelli
Dissipative frustration in a one-dimensional Josephson junction chain
A. Tagliavini, C. Hille, F. B. Kugler, S. Andergassen, A. Toschi, and C. Honerkamp
Multiloop functional renormalization group for the two-dimensional Hubbard model: Loop convergence of the response functions
D. Kennes, S. Andergassen, and V. Meden
Schaltkreise für Quantenphasenübergänge
A. Tagliavini, S. Hummel, N. Wentzell, S. Andergassen, A. Toschi, and G. Rohringer
Efficient Bethe-Salpeter equations' treatment in dynamical mean-field theory
Phys. Rev. B 97, 235140 (2018)
M. Klett, H. Cartarius, D. Dast, J. Main, and G. Wunner
Topological edge states in the Su-Schrieffer-Heeger model subject to balanced particle gain and loss
Eur. Phys. J. D 72, 214 (2018)
I. Maldonado, J. Villavicencio, L. D. Contreras-Pulido, E. Cota, and J. A. Maytorena
Dephasing effects on ac-driven triple quantum dot systems
Phys. Rev. B 97, 195310 (2018)
D. Maile, S. Andergassen, W. Belzig, and G. Rastelli
Quantum phase transition with dissipative frustration
Phys. Rev. B 97, 155427 (2018)
X. Cao, T. Ayral, Z. Zhong, O. Parcollet, D. Manske, and P. Hansmann
Chiral d-wave superconductivity in a triangular surface lattice mediated by long-range interaction
Phys. Rev. B 97, 155145 (2018)
M. Klett, H. Cartarius, D. Dast, J. Main, and G. Wunner
Relation between PT-symmetry breaking and topologically nontrivial phases in the Su-Schrieffer-Heeger and Kitaev models
Phys. Rev. A 95, 053626 (2017)
Y. Lu, Z. Zhong, M. W. Haverkort, and P. Hansmann
Origins of band and spin order in rare-earth nickelate bulk and heterostructures
Phys. Rev. B 95, 195117 (2017)
G. W. Winkler, M. Ganahl, D. Schuricht, H. G. Evertz, and S. Andergassen
Interaction effects in a microscopic quantum wire model with strong spin-orbit interaction
New J. Phys. 19, 063009 (2017)
Z. Zhong and P. Hansmann
Band alignment and charge transfer in complex oxides
A. Dorda, M. Ganahl, S. Andergassen, W. von der Linden, and E. Arrigoni
Thermoelectric response of a correlated impurity in the nonequilibrium Kondo regime
Phys. Rev. B 94, 245125 (2016)
N. Wentzell, S. Florens, T. Meng, V. Meden, and S. Andergassen
Magneto-electric spectroscopy of Andreev bound states in Josephson quantum dots
Phys. Rev. B 94, 0885151 (2016)
G. Li, N. Wentzell, P. Pudleiner, P. Thunström, and K. Held
Efficient implementation of the parquet equations: Role of the reducible vertex function and its kernel approximation
Phys. Rev. B 93, 165103 (2016)
A. Valli, T. Schäfer, P. Thunström, G. Rohringer, S. Andergassen, G. Sangiovanni, K. Held, and A. Toschi
Dynamical vertex approximation in its parquet implementation: Application to Hubbard nano-rings
Phys. Rev. B 91, 115115 (2015)
N. Wentzell, C. Taranto, A. Katanin, A. Toschi, and S. Andergassen
Correlated starting points for the functional renormalization group
Phys. Rev. B 91, 045120 (2015)
S. Andergassen, D. Schuricht, M. Pletyukhov, and H. Schoeller
Dynamical transport in correlated quantum dots: A renormalization-group analysis
AIP Conference Proceedings 1633, 231 (2014)
I. Pizorn, V. Eisler, S. Andergassen, and M. Troyer
Real time evolution at finite temperatures with operator space matrix product states
New J. Phys. 16, 073007 (2014)
C. Taranto, S. Andergassen, J. Bauer, K. Held, A. Katanin, W. Metzner, G. Rohringer, and A. Toschi
From infinite to two dimensions through the functional renormalization group
Phys. Rev. Lett. 112, 196402 (2014)
S. Donsa, S. Andergassen, and K. Held
Double quantum dot as a minimal thermoelectric generator
Phys. Rev. B 89, 125103 (2014)
S. Y. Müller, M. Pletyukhov, D. Schuricht, and S. Andergassen
Magnetic field effects on the finite-frequency noise and ac conductance of a Kondo quantum dot out of equilibrium
Phys. Rev. B 87, 245115 (2013)
S. Andergassen
A frustrated trio
D. Schuricht, S. Andergassen, and V. Meden
Local spectral properties of Luttinger liquids: Scaling versus nonuniversal energy scales
J. Phys.: Condens. Matter 25, 14003 (2012)
S. Droste, S. Andergassen, and J. Splettstösser
Josephson current through interacting double quantum dots with spin-orbit coupling
J. Phys.: Condens. Matter 24, 425301 (2012)
A. Gendiar, R. Krcmar, S. Andergassen, M. Daniska, and T. Nishino
Weak correlation effects in the Ising model on triangular-tiled hyperbolic lattices
Phys. Rev. E 86, 021105 (2012)
S. Grap, V. Meden, and S. Andergassen
Interplay of Coulomb interaction and spin-orbit effects in multi-level quantum dots
Phys. Rev. B 86, 035143 (2012)
S. Göttel, S. Andergassen, C. Honerkamp, D. Schuricht, and S. Wessel
Critical scales in anisotropic spin systems from functional renormalization
Phys. Rev. B 85, 214406 (2012)
K. Grove-Rasmussen, S. Grap, J. Paaske, K. Flensberg, S. Andergassen, V. Meden, H. I. Jorgensen, K. Muraki, and T. Fujisawa
Unraveling the magnetic field dependence of tunnel couplings in carbon nanotube quantum dots: Tunable level renormalization
Phys. Rev. Lett. 108, 176802 (2012)
C. B. M. Hörig, D. Schuricht, and S. Andergassen
Renormalization-group analysis of a spin-1 Kondo dot: Non-equilibrium transport and relaxation dynamics
Phys. Rev. B 85, 064418 (2012)
S. Andergassen, T. A. Costi, and V. Zlatic
Mechanism for large thermoelectric power in molecular quantum dots described by the negative-U Anderson model
Phys. Rev. B 84, 241107(R) (2011)
C. Karrasch, S. Andergassen, and V. Meden
Supercurrent through a serial quantum dot close to singlet-triplet degeneracy
Phys. Rev. B 84, 134512 (2011)
S. Andergassen, M. Pletyukhov, D. Schuricht, H. Schoeller, L. Borda
A renormalization-group analysis of the interacting resonant level model at finite bias: Generic analytic study of static properties and quench dynamics
Phys. Rev. B 83, 205103 (2011)
S. Grap, S. Andergassen, J. Paaske, and V. Meden
Spin-orbit interaction and asymmetry effects on Kondo ridges at finite magnetic field
Phys. Rev. B 83, 115115 (2011)
S. Y. Müller, V. Koerting, D. Schuricht, and S. Andergassen
Spin and orbital fluctuations in non-equilibrium transport through quantum dots: A renormalization-group analysis
Europhys. Lett. 92, 10002 (2010)
C. Karrasch, S. Andergassen, M. Pletyukhov, D. Schuricht, L. Borda, V. Meden, and H. Schoeller
Non-equilibrium current and relaxation dynamics of a charge-fluctuating quantum dot
Europhys. Lett. 90, 30003 (2010)
S. Andergassen, D. Feinberg, S. Florens, M. Lavagna, S. Shiau, P. Simon, and R. Van Roermund
New trends for the Kondo effect in nanostructures
Int. J. Nanotechnology 7, 438 (2010)