Publications (71)
Supersymmetric Standard Model from the Heterotic String (II)
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
Notes on Local Grand Unification
Michael Ratz
Dynamical Electroweak Symmetry Breaking by a Neutrino Condensate
Stefan Antusch, Joern Kersten, Manfred Lindner +1
Non-Abelian discrete R symmetries
Mu-Chun Chen, Michael Ratz, Andreas Trautner
$\mathcal{CP}$ violation with an unbroken $\mathcal{CP}$ transformation
Michael Ratz, Andreas Trautner
Radiative Generation of the LMA Solution from Small Solar Neutrino Mixing at the GUT Scale
Stefan Antusch, Michael Ratz
Hidden SUSY from precision gauge unification
Sven Krippendorf, Hans Peter Nilles, Michael Ratz +1
Seesaw Neutrinos from the Heterotic String
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +2
Heterotic mini-landscape (II): completing the search for MSSM vacua in a Z_6 orbifold
Oleg Lebedev, Hans Peter Nilles, Saul Ramos-Sanchez +2
From strings to the MSSM
Hans Peter Nilles, Saul Ramos-Sanchez, Michael Ratz +1
The mu term and neutrino masses
Mu-Chun Chen, Michael Ratz, Christian Staudt +1
The heterotic string yields natural supersymmetry
Sven Krippendorf, Hans Peter Nilles, Michael Ratz +1
Neutrino Mass Operator Renormalization Revisited
Stefan Antusch, Manuel Drees, Jörn Kersten +2
Grand Unification without Proton Decay
Andreas Mütter, Michael Ratz, Patrick K. S. Vaudrevange
The Hilbert basis method for D-flat directions and the superpotential
Rolf Kappl, Michael Ratz, Christian Staudt
A Note on Fine-Tuning in Mirage Mediation
Oleg Lebedev, Hans Peter Nilles, Michael Ratz
Supersymmetric unification and R symmetries
Mu-Chun Chen, Maximilian Fallbacher, Michael Ratz
log(M_Pl/m_3/2)
Oscar Loaiza-Brito, Johannes Martin, Hans Peter Nilles +1
Singlet extensions of the MSSM with Z_4^R symmetry
Michael Ratz, Patrick K. S. Vaudrevange
(Non-)Abelian discrete anomalies
Takeshi Araki, Tatsuo Kobayashi, Jisuke Kubo +3
Dilaton Destabilization at High Temperature
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
Metastable Vacua in Flux Compactifications and Their Phenomenology
Oleg Lebedev, Valéri Löwen, Yann Mambrini +2
No-go theorems for R symmetries in four-dimensional GUTs
Maximilian Fallbacher, Michael Ratz, Patrick K. S. Vaudrevange
De Sitter Vacua from Matter Superpotentials
Oleg Lebedev, Hans Peter Nilles, Michael Ratz
Light dark matter in the singlet-extended MSSM
Rolf Kappl, Michael Ratz, Martin Wolfgang Winkler
A note on discrete R symmetries in Z6-II orbifolds with Wilson lines
Hans Peter Nilles, Saul Ramos-Sanchez, Michael Ratz +1
A Mini-Landscape of Exact MSSM Spectra in Heterotic Orbifolds
Oleg Lebedev, Hans Peter Nilles, Stuart Raby +4
Stringy surprises
Michael Ratz
On predictions from spontaneously broken flavor symmetries
Mu-Chun Chen, Maximilian Fallbacher, Michael Ratz +1
Low Energy Supersymmetry from the Heterotic Landscape
Oleg Lebedev, Hans-Peter Nilles, Stuart Raby +4
A unique Z_4^R symmetry for the MSSM
Hyun Min Lee, Stuart Raby, Michael Ratz +4
Gauge-top unification
Pierre Hosteins, Rolf Kappl, Michael Ratz +1
Running minimal flavor violation
Paride Paradisi, Michael Ratz, Roland Schieren +1
Non-thermal cosmic neutrino background
Mu-Chun Chen, Michael Ratz, Andreas Trautner
Neutrino Mass Operator Renormalization in Two Higgs Doublet Models and the MSSM
Stefan Antusch, Manuel Drees, Joern Kersten +2
Gauged Discrete Symmetries and Proton Stability
Rabindra N. Mohapatra, Michael Ratz
Local Grand Unification
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
Unified origin of baryons and dark matter
Ryuichiro Kitano, Hitoshi Murayama, Michael Ratz
Stringy origin of non-Abelian discrete flavor symmetries
Tatsuo Kobayashi, Hans Peter Nilles, Felix Plöger +2
Classification of symmetric toroidal orbifolds
Maximilian Fischer, Michael Ratz, Jesus Torrado +1
Gravitino and Goldstino at Colliders
Wilfried Buchmuller, Koichi Hamaguchi, Michael Ratz +1
Renormalization Group Evolution of Dirac Neutrino Masses
Manfred Lindner, Michael Ratz, Michael Andreas Schmidt
Group-theoretical origin of CP violation
Mu-Chun Chen, Michael Ratz
Large hierarchies from approximate R symmetries
Rolf Kappl, Hans Peter Nilles, Saul Ramos-Sanchez +3
Discrete R symmetries for the MSSM and its singlet extensions
Hyun Min Lee, Stuart Raby, Michael Ratz +4
Precision gauge unification in the MSSM
Stuart Raby, Michael Ratz, Kai Schmidt-Hoberg
Maximal Temperature in Flux Compactifications
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
Mirage Torsion
Felix Ploger, Saul Ramos-Sanchez, Michael Ratz +1
Supergraph Techniques and Two-Loop Beta-Functions for Renormalizable and Non-Renormalizable Operators
Stefan Antusch, Michael Ratz
String-derived MSSM vacua with residual R symmetries
Rolf Kappl, Bjoern Petersen, Stuart Raby +3
Supersymmetric Standard Model from the Heterotic String
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
Origin of family symmetries
Hans Peter Nilles, Michael Ratz, Patrick K. S. Vaudrevange
$R$ parity violation from discrete $R$ symmetries
Mu-Chun Chen, Michael Ratz, Volodymyr Takhistov
Running Neutrino Masses, Mixings and CP Phases: Analytical Results and Phenomenological Consequences
Stefan Antusch, Joern Kersten, Manfred Lindner +1
Running Neutrino Mass Parameters in See-Saw Scenarios
Stefan Antusch, Joern Kersten, Manfred Lindner +2
The Flavor of Cosmology
Benjamin Lillard, Michael Ratz, Tim M. P. Tait +1
Anomaly-safe discrete groups
Mu-Chun Chen, Maximilian Fallbacher, Michael Ratz +2
Supergravity at Colliders
Wilfried Buchmuller, Koichi Hamaguchi, Michael Ratz +1
CP Violation from Finite Groups
Mu-Chun Chen, Maximilian Fallbacher, K. T. Mahanthappa +2
Predictivity of models with spontaneously broken non-Abelian discrete flavor symmetries
Mu-Chun Chen, Maximilian Fallbacher, Yuji Omura +2
Neutrino Mass Matrix Running for Non-Degenerate See-Saw Scales
Stefan Antusch, Joern Kersten, Manfred Lindner +1
The LMA Solution from Bimaximal Lepton Mixing at the GUT Scale by Renormalization Group Running
Stefan Antusch, Joern Kersten, Manfred Lindner +1
Leptogenesis with Dirac Neutrinos
Karin Dick, Manfred Lindner, Michael Ratz +1
Patterns of remnant discrete symmetries
Bjoern Petersen, Michael Ratz, Roland Schieren
$\mathcal{CP}$ Violation from String Theory
Hans Peter Nilles, Michael Ratz, Andreas Trautner +1
The Heterotic Road to the MSSM with R parity
Oleg Lebedev, Hans Peter Nilles, Stuart Raby +4
Group-Theoretical Aspects of Orbifold and Conifold GUTs
Arthur Hebecker, Michael Ratz
Dual Models of Gauge Unification in Various Dimensions
Wilfried Buchmuller, Koichi Hamaguchi, Oleg Lebedev +1
A Z2xZ2 standard model
Michael Blaszczyk, Stefan Groot Nibbelink, Michael Ratz +3
Approximate R-symmetries and the mu term
Felix Brummer, Rolf Kappl, Michael Ratz +1
A note on the primordial abundance of stau NLSPs
Michael Ratz, Kai Schmidt-Hoberg, Martin Wolfgang Winkler