Seminars

Jens Limpert* High Performance Ultrafast Fiber Laser Systems: Properties, Challenges and Potential Day Time Place April 29, 2015 Wednesday 15:40 Mithat Coruh Hall Host: F. Ö. İlday ABSTRACT — In recent years intense laser pulses have found applications in various industrial and scientific areas. Significant progress has been made in […]

Journal Club For Spring 2016 will meet in on the following Tuesdays in SA – 240 19 April 2016, Tuesday, 12:40 – 13:30 “Programmable Extreme Pseudomagnetic Fields in Graphene by a Uniaxial Stretch”to be presented by Arash Mobaraki [Link] “Inverse four-wave mixing and self-parametric amplification in optical fibre” to be […]

“55 Years on: Towards a Dominion of Coherent Light over Matter” Assoc. Prof. Dr. Ömer İlday Bilkent University Date: April 22, 2015 (Wednesday) Time: 15:40 Place: Physics Department Seminar Room SA 240 ABSTRACT- On May 16, 1960, Theodore H. Maiman operated the first functioning laser. Since then the field of […]

Frustration and entanglement in complex quantum systems Salvatore Marco Giampaolo Università di Salerno, Fisciano, Italy Date: April 20, 2015 (Monday) Time: 15:40 Place: Physics Seminar Room SA 240

The Bethe Ansatz Method in Low-Dimensional Quantum Condensed Matter Dr. Hans Peter Eckle University of Ulm, Germany Date: April 7, 2015 (Tuesday) Time: 15:40 Place: Physics Seminar Room SA 240

“100 years of General Relativity” Prof. Dr. Rahmi Güven Boğaziçi University Date: March 18, 2015 (Wednesday) Time: 15:40 Place: Physics Department Seminar Room SA 240 ABSTRACT- Upon its inception in 1915 general theory of relativity was regarded for a long period of time as a research field which is conceptually […]

Onofrio Maragò* Optical trapping of nanostructures Day Time Place November 11, 2015 Wednesday 15:40 EE 01 Host: Giovanni Volpe ABSTRACT — Optical trapping [1,2] (OT) of nanostructures has acquired tremendous momentum in the last few years. Manipulating nanoparticles with standard OT is generally difficult because radiation forces scale approximately with […]

Bernard Nienhuis* Has E8 Been Observed in the Laboratory? Day Time Place February 11, 2015 Wednesday 15:40 EE01 Host: Balazs Hetenyi ABSTRACT —  The Ising model in two dimensions is one of the simplest and most well-known many-particle models with a thermodynamic phase transition. It is a solvable model, meaning that the derivation […]

Dieter Suter* Quantum computers: promise, problems and possible solutions Day Time Place November 04, 2015 Wed 15:40 EE 01 Host: C. Bulutay ABSTRACT — The “Digital Revolution” that transformed our lives and our economy is based on the ubiquity of information-processing devices whose processing power increased exponentially, following Moore’s law. […]

Ekmel Özbay* Nanotechnology at Work: From Basic Science to Spin-Off Companies Day Time Place April 27, 2016 Wednesday 15:40 EE 01

Emergent Phases Near Quantum Critical Transitions Siddharth S Saxena Cavendish Laboratory, University of Cambridge Date: January 26, 2015 (Monday) Time: 14:30 (Mind unusual time!) Place: Physics Seminar Room SA 240

N. Gökhan Ünel* Higgs Particle as the Fruit of the Marriage Between Physics and Engineering Day Time Place December 17, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  Particle physics aims to explain all forces and matter in the universe by a small number of fundamental particles. These particles living in […]

Eric Westman* Early Diagnosis of Alzheimer Disease Using Multimodal Imaging Day Time Place December 10, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe ABSTRACT —  Alzheimer Disease (AD) is a very complex and heterogeneous neurodegenerative disorder. The disease is characterized by neuronal dysfunction and death which is related to the amyloid-β peptide and hyperphosphorylation […]

Loschmidt echo and the many-body orthogonality catastrophe in a Luttinger liquid Balázs Dora Budapest University of Technology and Economics Date: December 3, 2014 (Thursday) Time: 10:40 (Mind unusual time!) Place: Physics Seminar Room SA 240

Balázs Dóra* How to Engineer the Band Structure of a (Topological) Insulator? Day Time Place December 03, 2014 Wednesday 15:40 EE01 Host: Balazs Hetenyi ABSTRACT —  Topological insulators represent unique phases of matter with insulating bulk and conducting edge or surface states, immune to small perturbations such as backscattering due to disorder. This […]

Roland G. Winkler* Physics of Bacteria Locomotion Day Time Place November 26, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe ABSTRACT —  Cell motility is a major achievement of biological evolution and is essential for a wide spectrum of cellular activities. Microorganisms, such as spermatozoa, bacteria, protozoa, and algae, use flagella — whip-like structures […]

Femtosecond Filamentation in Kerr Media Viktor Kadan Institute of Physics of National Academy of Ukraine Date: November 21 , 2014 (Friday) Time: 15:40 Place: Physics Seminar Room SA 240

Hartmut Löwen* Physics of Active Matter Day Time Place November 19, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe ABSTRACT —  Ordinary materials are “passive” in the sense that their constituents are typically made by inert particles which are subjected to thermal fluctuations, internal interactions and external fields but do not move on their […]

Charles Reichhardt* Jamming and Clogging Transitions in Driven Systems in the Presence of Obstacle Arrays Day Time Place November 12, 2014 Wednesday 15:40 EE01 Host: Giovanni Volpe and Miguel Navascues ABSTRACT —  When a flowing assembly of particles goes from a liquid-like state to solid non-flowing state, the system is said to be jammed. […]

Máté Nagy* Collective Motion and Group Behaviour Observations, Models, Quantitative Analysis and Robotic Applications Day Time Place November 05, 2014 Wednesday 15:40 EE01 Host: Balasz Hetenyi ABSTRACT —  Many animal groups display impressive levels of coordination in their activities, during which input from one or multiple members is propagated quickly and efficiently to […]

First-Principles Study of Electronic and Optical Excitations in TiO2 Nanocrystals Serdar Öğüt University of Illinois at Chicago Date: November 3 , 2014 (Monday) Time: 15:40 Place: Physics Seminar Room SA 240

Protein folding studies at single-molecule level using optical tweezers and MD simulations Punam Sonar CNR Institute of Nanoscience Date: October14 , 2014 (Tuesday) Time: 14:40 (Notice the unusual time-slot!) Place: Physics Seminar Room SA 240

Ivan Shelykh* Optical Analogs of Aharonov-Bohm Effect Day Time Place October 01, 2014 Wednesday 15:40 EE01 Host: Atilla Erçelebi ABSTRACT —  Aharonov-Bohm effect is connected by direct influence of the vector potential on phase of wavefunction of a charged particle. In the domain of mesoscopic transport its consequence is appearance of the oscillations […]

Network and Agent-based modeling for Public Health Hasan Güçlü University of Pittsburgh Date: Semptember 24 , 2014 (Wednesday) Time: 13:40 (Notice the unusual time-slot!) Place: Physics Seminar Room SA 240

Peer Fischer* Three-Dimensional Hybrid Nanostructures, Chemical Nanomotors, and Nanorobot Propulsion Day Time Place September 17, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  Tuning the optical, electromagnetic and mechanical properties of a material requires simultaneous control over composition and shape. For instance the realization of opticalmetamaterials in the visible calls for […]

Light-matter interaction in metamaterial nanostructures Mahi R. Singh Western University, London, Canada Date: June 18 , 2014 (Wednesday) Time: 15:40 Place: Physics Seminar Room SA 240

Quantal Corrections to Time-Dependent Mean-Field Dynamics Şakir Ayık Tennessee Technological University Date: May 21 , 2014 (Wednesday) Time: 15:40 Place: Physics Seminar Room SA 240

Axel Winter* ITER and Nuclear Fusion: An Energy Source for the Future Day Time Place May 14, 2014 Wednesday 15:40 EE01 Host: F. Ömer İlday ABSTRACT —  ITER is a unique scientific, technological, and industrial project being built in the south of France through a partnership involving the European Union, China, India, Japan, […]

Gunter Schütz* Surprising Physics in One Dimension From Molecular Motors to Anomalous Diffusion Day Time Place April 16, 2014 Wednesday 15:40 EE01 Host: Balazs Hetényi ABSTRACT —  In recent years, more and more one-dimensional many-body systems have become experimentally accessible with increasingly sophisticated techniques. Such systems, when kept far from equilibrium, exhibit surprising […]

Carlo Sirtori* Superradiant Electroluminescence and Collective Phenomena in a Low Dimensional Electron Gas Day Time Place April 09, 2014 Wednesday 15:40 EE01 Host: Atilla Aydınlı ABSTRACT —  The interaction between light and matter in a quantum structure, can be strongly enhanced by increasing the density of the confined electrons, thus the number of […]