Recent content by RealKiller69

  1. RealKiller69

    Why Does My Calculation Have an Extra Factor of 2?

    My solution is not the same, it has an additional *2 factor and i can't see any mistakes.
  2. RealKiller69

    Diffraction -- Calculate the interference lost orders due to diffraction

    thanks man, i´ve figured what i was doing it wrong. I was forgetting the differential term given by the smaller slits, i was expecting some type of special diffraction effect with added extra zeros for the line y=0 due to the larger slit composed by 5 smaller ones. In this case, it only...
  3. RealKiller69

    Diffraction -- Calculate the interference lost orders due to diffraction

    the weighted function is t(x,y)=cte and using unit intensity (I(0)=1) for both of the larger slits( composed of 5 smaller 1's) I am getting for the diffraction on the x-axis the following exp. for the 1st slit (that looks like a plus sign) Itotal_1=I(0)(3+2cos(kpa))^2 (k=2pi/lambda) , this term...
  4. RealKiller69

    Diffraction -- Calculate the interference lost orders due to diffraction

    I have calculated the diffraction part for each one of the slits but I am not getting any lost order.
  5. RealKiller69

    I Quantum Oscillator in 1D: How Can a Real Particle Have an Imaginary Velocity?

    Thats what I am trying to figure out, i can consider a wave package when the particle is in the permitted region for tht energy but if it gets out of that region ( the wave function doesn't restrict the particle in a specific region) i will get an imaginary value for the momentum. How do i...
  6. RealKiller69

    I Quantum Oscillator in 1D: How Can a Real Particle Have an Imaginary Velocity?

    I have got a simple qstion. We have a particle in 1d oscillator with E0( fundamental level).We know that phi~ e^-x^2 for any x, so We can measure a position and get a value x=a, such that V(a)>E0 . In this case T<0 so the velocity of the particle is imaginary, how is this even possible?, (a real...
  7. RealKiller69

    Special relativity and Lorentz factor problem

    Homework Statement There are 2 particles(1,2) separated ∆x=L moving with the same velocity u_x in frame of reference S , there's an other reference S' moving at v . I have to calculate ∆x'. GAMMA(LORENTZ'S FACTOR) Homework EquationsThe Attempt at a Solution I have done x1=0 when t=0 So for...
  8. RealKiller69

    Help with Sum ∑n!/(3*4*5...*n)

    the range is infinite n=1 S1=1/3 n=2 S2=1/3+2/12 n=3 S3=1/3+2/12+3!/5*4*3 . . . n=∞ Sn=1/3+2/12+3!/5*4*3...n!/(3*4*5*6*...*n)
  9. RealKiller69

    Help with Sum ∑n!/(3*4*5...*n)

    they are multiply symbols," * "=" x "
  10. RealKiller69

    Help with Sum ∑n!/(3*4*5...*n)

    Homework Statement ∑n!/(3*4*5...*n) s1=1/3 sn=1/3+2/(4*3)+3!/(5*4*3)+...+n!/(3*4*5*...n) so i multiplied the sum with 1/2sn=1/6+1/(4*3)+1/(5*4)+1/(6*5)...+1/((n+2)(n-1)) got blocked here,i don't know how to continue, help please
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