
Literature/abstracts
Karla de Bruin:
Bloody physics in forensics
In this talk, I will first give an overview of the work that is done at
the NFI in general, and then more specific on bloodstain pattern
analysis. Currently, at crime scenes the flight path of a blood drop is
assumed to be a straight line. This neglection of gravity and air
resistance may lead to an error of 45 cm in height estimation, which can be the
difference between a sitting and standing position. In the Soft Matter
Group at the UvA we use high speed imaging in order to study the blood
drop's flight. For unambigous assignment of the trajectory to a
bloodstain, four parameters have to be known: volume, impact velocity,
impact angle, and impact position. Methods to extract the impact
velocity from a dried bloodstain at a crime scene have been proposed
before, but all of them were observerdependent. We found a model for
extraction of the impact velocity independent of the analyst, which can
be used on various kinds of surfaces. With this method, future analysis
on the crime scene will be more accurate, more objective and faster.
This method will enable the difference between selfdefence and murder.
Rembert Duine:
Quantum linearresponse theory and the
fluctuationdissipation theorem
Abstract: Following the course on classical
linearresponse theory and the fluctuationdissipation theorem, I will
discuss its quantummechanical version. As an application I consider
electronic transport and JohnsonNyquist noise, i.e., noise in the
current of conductors. Various type of response functions (realtime,
imaginarytime, advanced/retarded) and their relations are also
discussed.
Material:
Appendix A from
http://www.staff.science.uu.nl/~Duine102/RembertDuine_Spintronics.pdf
Exercise 0.11
from:
http://www.staff.science.uu.nl/~Duine102/SFT_problems.pdf
Wouter Ellenbroek: Linearresponse
in classical
theorem
Abstract: This course deals with what we can learn about
classical systems by gently taking them out of their equilibrium state.
After a brief reminder of the basics and a short treatment of brownian
motion, the bulk of the course will be about linear response in classical
statistical mechanics, including the fluctuationdissipation theorem and
KramersKronig relations. At the end of the course I will briefly discuss
the mechanical linear response of disordered materials that are not in
thermal equilibrium, as a very different example of a situation where we can
learn a lot about a system by studying its response to small perturbations.
The lecture notes for the larger part have been provided by Fred MacKintosh
(VU Amsterdam) who taught a similar course here in 2011. For the end of the
course I will use parts of a review paper that was used in the same year for
the course on jamming taught by Brian Tighe (review
by Martin van Hecke).
The course by Rembert Duine will expand on this course by treating Quantum
linear response theory.
Handouts will be provided at the school as well.
Last update:
19052017, 14.30
