27 JAN 2020
14:00 - 16:00

Abstract:
Self-control conflicts are a ubiquitous part of our daily lives. Over the last years, research on self-control has benefitted from applying insights on response conflicts produced by research in cognitive psychology. This approach is useful, because it combines the strength of the cognitive approach (experimental control) with the strength of the self-control context (ecological validity). It is also fitting, given that self-control conflicts share several basic features with response conflicts typically studied in distractor interference (e.g., Stroop) tasks: people need to engage control processes to inhibit or override a pre-potent, automatic response in order to act in line with a higher-order (task) goal. In this talk, I will argue that despite its benefits, this approach is currently limited, because it focuses predominantly on the similarities between the two types of conflict. What has received very little attention until now is that both types of conflict also differ in important ways. I will introduce two lines of research that address two specific differences (e.g., the to-be-inhibited response in a self-control conflict is always motivationally charged) and show that those differences matter. Finally, I will elaborate on how this work contributes to the cognitive control as well as the self-control literature.

Venue:
School of Cognitive Sciences, Institute for Research in Fundamental Sciences (IPM),
Opposite the ARAJ, Artesh Highway, Tehran, Iran on map

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27 JAN 2020
11:00 - 12:00

Based on: Some papers


Abstract: In order to study the out of equilibrium systems and basically the ones which have strong enough coupling constants, the ordinary methods in QFT would fail. In this respect, we have to seek methods which are not based on perturbative procedures. We first go to review and introduce the 2PI method and demonstrate its difference with perturbative methods in QFT. After that, we go to examine the systems in out of equilibrium state and discuss their dynamics. Eventually, as an example, we take the Ising model in out of equilibrium case and investigate it with the above mentioned methods.


Larak Seminar Room

22 JAN 2020
14:00 - 15:00

Seminar Room (classroom A), Farmanieh Building, IPM

Organized by: School of Nano Science

22 JAN 2020
14:00 - 15:00

Metal-based Nanocomposites: Plasticity and Tribological Behavior Analyzed by Atomistic Simulations

Abstract:

In the last two decades, emergence and development of different nano-scaled synthesis and characterization methods for metal matrix nanocomposites (MMNCs) have made them the center of academic and industrial communities’ focus owing to their excellent physical and mechanical properties. Accordingly, deformation mechanism of these nanocomposites should be deeply addressed in the presence of nanofillers of different sizes and distribution. Although failure of NCs is a macroscopic phenomenon, this is resulted by the atomic-scale structural variations of the sample. Therefore, for closer study of the failure mechanism of these NCs considering the structural changes during their deformation, different atomistic-based approaches can be utilized. Among them, molecular dynamics simulation is the most applicable one as discussed in this talk. In the first part of this presentation, employing the results of several case studies, the influence of
surface and volumetric porosities on the plastic deformation of MMNCs is examined. The underlying mechanism governing this behavior is also discussed through microstructural characterization provided by the means of dislocation extraction analysis. This is followed by inspection of the temperature role on the plastic deformation of these NCs. At the second part, I will utilize MD simulation of the nanoscratching process to explore the dominant factors influencing the nanotribological characteristics of metal matrices in the presence of graphene
sheets and silicon carbide nanofillers.

22 JAN 2020
08:00 - 10:30

Venue:

Opposite the ARAJ, Artesh Highway, Tehran, Iran
School of Cognitive Sciences, Institute for Research in Fundamental Sciences (IPM),



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22 JAN 2020
15:00 - 16:00

Abstract: Heavy quark parton distribution functions (PDFs) play an important role in several Standard Model and New Physics processes. Most analyses rely on the assumption that the charm and bottom PDFs are generated perturbatively by gluon splitting and do not involve any non-perturbative degrees of freedom. The existence of a nonperturbative intrinsic heavy quark component in the nucleon is clearly necessary to test this hypothesis with suitable QCD processes.
The xFitter package as an open-source package provided a framework for QCD analyses related to proton and nucleon structure in the context of multi-processes and multi-experiments. The framework includes modules or interfaces enabling a large number of theoretical and methodological options, as well as a large number of relevant data sets from HERA, Tevatron, and LHC.

In this talk, we focus on the role and importance of xFitter to investigate the new physics on future colliders.


Larak Seminar Room

21 JAN 2020
15:00 - 16:30

How do we enter into empathic relations with inanimate objects (IO)? Do we indirectly infer that they possess mental states, or directly perceive them as mental things? In recent years these questions have been addressed by a number of authors. Some argue in favor of an indirect approach that involves mediatory procedures; others defend a direct approach that postulates no intermediate. In this paper, I argue on the side of the latter. I show that all indirect versions have been proposed so far namely Simulation Theory (ST), Imaginative Perception and Motor Imagining suffer some sort of shortcomings. In contrast with these indirect approaches, I develop a phenomenologically inspired framework for empathy, according to which the scope of objects with which we can enter into empathic relations is broadened to include IO. I argue that this direct framework is a more promising way of addressing the problem of empathic engagement with IO.

Venue:
School of Cognitive Sciences, IPM
Opposite the ARAJ, Artesh Highway, Tehran, Iran on map

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