LAB 01 Equipotentials and Electric Fields
Vincent Mulvaney
August 31st, 2016
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
The answer is no. Our measured values for the electric field do not agree with the
model prediction for
PHY 5667 : Quantum Field Theory A, Fall 2015
September 3rd , 2015
Assignment # 2
(due Thursday September 10th , 2015)
1. Let us write the infinitesimal form of a Lorentz transformation in the vector representation
as
i
= (JV ) ,
2
where
(JV ) = i (g g )
PHY 5667 : Quantum Field Theory A, Fall 2015
October 8th , 2015
Assignment # 5
(due Thursday October 22nd , 2015)
1. Consider the action of parity (P ), time-reversal (T ), and charge-conjugation operators on
spinor quantum fields as defined in Sec. 4.2.3
PHY 5667 : Quantum Field Theory A, Fall 2015
Assignment # 1, Solutions
1. The Lagrangian for a relativistic free particle is:
Lrel = mc2 1 ,
(1)
where 1 = 1 2 , = v/c, v is the particle velocity, m is the particle mass, and c is the
velocity of light. Lre
PHY 5667 : Quantum Field Theory A, Fall 2015
Assignment # 5, Solutions
Problem 2
The time-ordered product of fermion fields is defined as
T (x)(y)
= (x)(y)(x
0 y0 ) (y)(x)(y0 x0 ) .
Writing the field operators as,
Z
d3 p
1 X s s
ipx
s s
ipx
p
(x) =
a
u
(p
PHY 5667 : Quantum Field Theory A, Fall 2015
Assignment # 2, Solutions
Problem 1
The Lorentz transformation corresponding to an infinitesimal rotation by an angle about
the x axis can be written as,
= i(JV23 ) ,
(1)
where we have defined 23 = 32 = , and
PHY 5667 : Quantum Field Theory A, Fall 2015
August 27th , 2015
Assignment # 1
(due Thursday September 3rd , 2015)
1. Write down the Lagrangian of a relativistic free particle and show that, in the limit v/c 0
(where v is the magnitude of the particle vel
PHY 5667 : Quantum Field Theory A, Fall 2015
November 24th , 2015
Final Exam
(due by Friday December 11th , 2015)
1. Show explicitly that at one loop in QED:
1.a) the three-photon vertex is zero;
1.b) the four-photon vertex is UV finite, i.e. it does not
PHY 5667 : Quantum Field Theory A, Fall 2015
Assignment # 3, Solutions
Problem 1
Consider the infinitesimal Lorentz transformation of x ,
i
x0 = x (JV ) x ,
2
(1)
where (JV ) = i( ) are the Lorentz generators in the vector representation. Substituting the
PHY 5667 : Quantum Field Theory A, Fall 2015
September 10th , 2015
Assignment # 3
(due Thursday September 24th , 2015)
1. Consider a system of fields i (x) and a Lorentz transformation acting on both field and
coordinates as follows,
x0 = x ' x +
6
X
k Xk
PIP2 cluster stability (Solution)
The phospholipid molecule PIP2 (phosphatidylinositol 4,5-bisphosphate) is an important constituent of eukaryotic cell membranes. Its
hydrophilic head group has a greater negative charge (typically -4e under physiological
OPTOMETRY
ADMISSION
TESTING
PROGRAM
SAMPLE TEST
ITEMS
This publication represents a sample of OAT item types.
For current Test Specifications, Test Schedule, and additional test information please consult the
OAT Guide located at www.ada.org/oat.
TABLE OF
Katrina Llanes
Homework 7
A.
Assume that a Listeria cell, when at one end of the mammalian
cell, emits a pulse of molecules with diffusion constant of D=200
m2/s. The Listeria cell then moves to the other side of the
mammalian cell, reaching the other sid
Explain the difference between fundamental niche and realized
niche:
Fundamental niche: What an organisms niche would be in the
absence of competition from other species.
Realized niche: The niche that a species actually inhabits, taking
into account inte
Katrina Llanes
4/5/16
Dr. Brian Inouye
4/1/16 Friday Seminar: Stone Crabs and Crush
Force
Zach Boudreau has been studying the bite
force or in this case the crush force of the Florida
Stone Crab. Examining bite force shows many
different aspects of an ani
Essay Question #3: In his 2003 state of the union address, president George w. bush
announced that the United States will develop a hydrogen economy. Describe what
this means. What mistaken ideas do some people have about such economy? How
will hydrogen b
PHY 1020 Test 3
An indication that light is a wave is
A. that it has dark bands in the diffraction pattern
B. that it passes through glass
C. that it reflects off surfaces
D. its high speed
A. that it has dark bands in the diffraction pattern
The colors o
PHY 1020 Test 2
Recent reports discussing the population bomb
A. verify that the population will expand above 20 billion
B. indicate that the explosion is slowing
C. show that it doesn't matter since food supply grows equally fast
D. show that the populat
PHY 1020 Test 1
"Smart Rocks" are considered for
A. geologic dating
B. ballistic missile defense
C. nuclear power
D. solar power
ballistic missile defense
One watt is equivalent to
A. one joule/second
B. one coulomb/second
C. one calorie/second
D. one hor
Unit Conversion
Lets convert these units to the standard Meter-Kilogram-Second (MKS)
units used in this course:
1 mile = 1.609 km = 1609 In; so 164 miles X (1609 m/ 1 mile) = 2.64 X 105 m
2.5 hr X (60 mink-19X (60 s/min) = 9000 s ; also 1.5 hr = 5400 s
;=
Distance traveled = Ax = x2 x1 (m) ; Time traveled = At = t2 t1 (s)
Average velocity 7= AX/At (m/s) ; speed is magnitude of velocity
. . Ax dx
Instantaneous veloclty v 41:13) dt (m/s)
Average acceleration E: Av/ At (m/sz)
Instantaneous acceleration a = li
Now Mary swims directly up stream at 3 m/s
relative to still water. What is her velocity relative
to the bank?
A. 3m/sj
D. 1m/sj
iClicker question
B. 5m/sj
E. -1m/sj
c.0m/sj
S. L. Tabor Florida State University
up
C M
+3m
8.1": 6+ =
_zj+3'j=+1j
111E UEDLIUIIIUIV UF' IVIUIIUIV
Important special case of constant acceleration a
The most common case in everyday life of constant a is for objects falling
which accelerate at a = g = 9.81 m/s2 downward.
constanta=%; So v=fadt=afdt=K+at =v0+at
dx 1
V=E;