Entanglement between dependent degrees of freedom: Quasiparticle correlations
F. Barkhausen, L. Ares Santos, S. Schumacher, J. Sperling, Physical Review A 111 (2025).

Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates
T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, X. Ma, Nanophotonics 13 (2024) 509–518.

Manipulating spectral topology and exceptional points by nonlinearity in non-Hermitian polariton systems
J. Wingenbach, S. Schumacher, X. Ma, Physical Review Research 6 (2024).

Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates
J. De, X. Ma, F. Yin, J. Ren, J. Yao, S. Schumacher, Q. Liao, H. Fu, G. Malpuech, D. Solnyshkov, Journal of the American Chemical Society (JACS) 145 (2023) 1557–1563.

Tilting nondispersive bands in an empty microcavity
Y. Gao, Y. Li, X. Ma, M. Gao, H. Dai, S. Schumacher, T. Gao, Applied Physics Letters 121 (2022).

Switching Off a Microcavity Polariton Condensate near the Exceptional Point
Y. Li, X. Ma, Z. Hatzopoulos, P.G. Savvidis, S. Schumacher, T. Gao, ACS Photonics 9 (2022) 2079–2086.

Helical Polariton Lasing from Topological Valleys in an Organic Crystalline Microcavity
T. Long, X. Ma, J. Ren, F. Li, Q. Liao, S. Schumacher, G. Malpuech, D. Solnyshkov, H. Fu, Advanced Science 9 (2022).

Manipulating polariton condensates by Rashba-Dresselhaus coupling at room temperature
Y. Li, X. Ma, X. Zhai, M. Gao, H. Dai, S. Schumacher, T. Gao, Nature Communications 13 (2022).

Unidirectional vortex waveguides and multistable vortex pairs in polariton condensates
X. Gao, W. Hu, S. Schumacher, X. Ma, Optics Letters 47 (2022) 3235–3238.

Quantifying Quantum Coherence in Polariton Condensates
C. Lüders, M. Pukrop, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, M. Aßmann, PRX Quantum (2021).

Split-ring polariton condensates as macroscopic two-level quantum systems
Y. Xue, I. Chestnov, E. Sedov, E. Kiktenko, A.K. Fedorov, S. Schumacher, X. Ma, A. Kavokin, Physical Review Research 3 (2021).

Structuring coflowing and counterflowing currents of polariton condensates in concentric ring-shaped and elliptical potentials
F. Barkhausen, M. Pukrop, S. Schumacher, X. Ma, Physical Review B 103 (2021).

Formation dynamics of exciton-polariton vortices created by nonresonant annular pumping
B. Berger, D. Schmidt, X. Ma, S. Schumacher, C. Schneider, S. Höfling, M. Assmann, Physical Review B 101 (2020) 245309.

Realization of all-optical vortex switching in exciton-polariton condensates
X. Ma, B. Berger, M. Aßmann, R. Driben, T. Meier, C. Schneider, S. Höfling, S. Schumacher, Nature Communications 11 (2020) 897.

Efficient Bosonic Condensation of Exciton Polaritons in an H-Aggregate Organic Single-Crystal Microcavity.
J. Ren, Q. Liao, H. Huang, Y. Li, T. Gao, X. Ma, S. Schumacher, J. Yao, S. Bai, H. Fu, Nano Letters 20 (2020) 7550–7557.

Topological edge states of nonequilibrium polaritons in hollow honeycomb arrays.
X. Ma, Y. Kartashov, A. Ferrando, S. Schumacher, Optics Letters 45 (2020) 5311–5314.

Multistable circular currents of polariton condensates trapped in ring potentials.
F. Barkhausen, S. Schumacher, X. Ma, Optics Letters 45 (2020) 1192–1195.

Chiral condensates in a polariton hexagonal ring.
X. Ma, Y. Kartashov, A. Kavokin, S. Schumacher, Optics Letters 45 (2020) 5700–5703.

Circular polarization reversal of half-vortex cores in polariton condensates
M. Pukrop, S. Schumacher, X. Ma, Physical Review B 101 (2020) 205301.

Spiraling vortices in exciton-polariton condensates
X. Ma, Y.V. Kartashov, T. Gao, L. Torner, S. Schumacher, Physical Review B 102 (2020) 045309.